Home / 238,706.14-329,407.89-131,276.16

Finding the Fourth Proportional to 238,706.14, 329,407.89 and 131,276.16

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Solution

The fourth proportional to 238,706.14, 329,407.89 and 131,276.16 is: 181,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,706.14 : 329,407.89 = 131,276.16 : x
  2. Step 2: Convert to fraction form
    238,706.14/329,407.89 = 131,276.16/x
  3. Step 3: Cross multiply
    238,706.14x = 329,407.89 × 131,276.16
  4. Step 4: Simplify right side
    238,706.14x = 43,243,402,872.90
  5. Step 5: Solve for x
    x = 43,243,402,872.90/238,706.14
  6. Step 6: Final answer
    x = 181,157.48

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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.