Home / 131,425.14-181,366.52-74,836.52

Finding the Fourth Proportional to 131,425.14, 181,366.52 and 74,836.52

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Solution

The fourth proportional to 131,425.14, 181,366.52 and 74,836.52 is: 103,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,425.14 : 181,366.52 = 74,836.52 : x
  2. Step 2: Convert to fraction form
    131,425.14/181,366.52 = 74,836.52/x
  3. Step 3: Cross multiply
    131,425.14x = 181,366.52 × 74,836.52
  4. Step 4: Simplify right side
    131,425.14x = 13,572,837,920.30
  5. Step 5: Solve for x
    x = 13,572,837,920.30/131,425.14
  6. Step 6: Final answer
    x = 103,274.29

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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.