Home / 133,572.18-200,432.05-74,441.17

Finding the Fourth Proportional to 133,572.18, 200,432.05 and 74,441.17

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Solution

The fourth proportional to 133,572.18, 200,432.05 and 74,441.17 is: 111,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,572.18 : 200,432.05 = 74,441.17 : x
  2. Step 2: Convert to fraction form
    133,572.18/200,432.05 = 74,441.17/x
  3. Step 3: Cross multiply
    133,572.18x = 200,432.05 × 74,441.17
  4. Step 4: Simplify right side
    133,572.18x = 14,920,395,620.32
  5. Step 5: Solve for x
    x = 14,920,395,620.32/133,572.18
  6. Step 6: Final answer
    x = 111,702.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.