Home / 238,109.96-328,591.48-130,680.26

Finding the Fourth Proportional to 238,109.96, 328,591.48 and 130,680.26

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Solution

The fourth proportional to 238,109.96, 328,591.48 and 130,680.26 is: 180,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,109.96 : 328,591.48 = 130,680.26 : x
  2. Step 2: Convert to fraction form
    238,109.96/328,591.48 = 130,680.26/x
  3. Step 3: Cross multiply
    238,109.96x = 328,591.48 × 130,680.26
  4. Step 4: Simplify right side
    238,109.96x = 42,940,420,040.18
  5. Step 5: Solve for x
    x = 42,940,420,040.18/238,109.96
  6. Step 6: Final answer
    x = 180,338.61

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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.