Home / 238,102.29-328,586.54-130,679.19

Finding the Fourth Proportional to 238,102.29, 328,586.54 and 130,679.19

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Solution

The fourth proportional to 238,102.29, 328,586.54 and 130,679.19 is: 180,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,102.29 : 328,586.54 = 130,679.19 : x
  2. Step 2: Convert to fraction form
    238,102.29/328,586.54 = 130,679.19/x
  3. Step 3: Cross multiply
    238,102.29x = 328,586.54 × 130,679.19
  4. Step 4: Simplify right side
    238,102.29x = 42,939,422,238.71
  5. Step 5: Solve for x
    x = 42,939,422,238.71/238,102.29
  6. Step 6: Final answer
    x = 180,340.23

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.