Home / 238,531.10-329,176.32-131,111.06

Finding the Fourth Proportional to 238,531.10, 329,176.32 and 131,111.06

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Solution

The fourth proportional to 238,531.10, 329,176.32 and 131,111.06 is: 180,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,531.10 : 329,176.32 = 131,111.06 : x
  2. Step 2: Convert to fraction form
    238,531.10/329,176.32 = 131,111.06/x
  3. Step 3: Cross multiply
    238,531.10x = 329,176.32 × 131,111.06
  4. Step 4: Simplify right side
    238,531.10x = 43,158,656,242.10
  5. Step 5: Solve for x
    x = 43,158,656,242.10/238,531.10
  6. Step 6: Final answer
    x = 180,935.13

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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.