Home / 134,531.31-185,646.36-74,100.66

Finding the Fourth Proportional to 134,531.31, 185,646.36 and 74,100.66

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Solution

The fourth proportional to 134,531.31, 185,646.36 and 74,100.66 is: 102,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,531.31 : 185,646.36 = 74,100.66 : x
  2. Step 2: Convert to fraction form
    134,531.31/185,646.36 = 74,100.66/x
  3. Step 3: Cross multiply
    134,531.31x = 185,646.36 × 74,100.66
  4. Step 4: Simplify right side
    134,531.31x = 13,756,517,384.30
  5. Step 5: Solve for x
    x = 13,756,517,384.30/134,531.31
  6. Step 6: Final answer
    x = 102,255.13

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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.