Home / 134,432.66-185,517.14-74,005.65

Finding the Fourth Proportional to 134,432.66, 185,517.14 and 74,005.65

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Solution

The fourth proportional to 134,432.66, 185,517.14 and 74,005.65 is: 102,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,432.66 : 185,517.14 = 74,005.65 : x
  2. Step 2: Convert to fraction form
    134,432.66/185,517.14 = 74,005.65/x
  3. Step 3: Cross multiply
    134,432.66x = 185,517.14 × 74,005.65
  4. Step 4: Simplify right side
    134,432.66x = 13,729,316,161.81
  5. Step 5: Solve for x
    x = 13,729,316,161.81/134,432.66
  6. Step 6: Final answer
    x = 102,127.83

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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.