Home / 133,311.20-199,966.76-53,385.17

Finding the Fourth Proportional to 133,311.20, 199,966.76 and 53,385.17

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Solution

The fourth proportional to 133,311.20, 199,966.76 and 53,385.17 is: 80,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,311.20 : 199,966.76 = 53,385.17 : x
  2. Step 2: Convert to fraction form
    133,311.20/199,966.76 = 53,385.17/x
  3. Step 3: Cross multiply
    133,311.20x = 199,966.76 × 53,385.17
  4. Step 4: Simplify right side
    133,311.20x = 10,675,259,210.02
  5. Step 5: Solve for x
    x = 10,675,259,210.02/133,311.20
  6. Step 6: Final answer
    x = 80,077.74

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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.