Home / 134,725.62-185,920.23-74,298.78

Finding the Fourth Proportional to 134,725.62, 185,920.23 and 74,298.78

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Solution

The fourth proportional to 134,725.62, 185,920.23 and 74,298.78 is: 102,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,725.62 : 185,920.23 = 74,298.78 : x
  2. Step 2: Convert to fraction form
    134,725.62/185,920.23 = 74,298.78/x
  3. Step 3: Cross multiply
    134,725.62x = 185,920.23 × 74,298.78
  4. Step 4: Simplify right side
    134,725.62x = 13,813,646,266.32
  5. Step 5: Solve for x
    x = 13,813,646,266.32/134,725.62
  6. Step 6: Final answer
    x = 102,531.70

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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.