Home / 91,350.27-136,680.87-53,930.70

Finding the Fourth Proportional to 91,350.27, 136,680.87 and 53,930.70

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Solution

The fourth proportional to 91,350.27, 136,680.87 and 53,930.70 is: 80,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,350.27 : 136,680.87 = 53,930.70 : x
  2. Step 2: Convert to fraction form
    91,350.27/136,680.87 = 53,930.70/x
  3. Step 3: Cross multiply
    91,350.27x = 136,680.87 × 53,930.70
  4. Step 4: Simplify right side
    91,350.27x = 7,371,294,995.71
  5. Step 5: Solve for x
    x = 7,371,294,995.71/91,350.27
  6. Step 6: Final answer
    x = 80,692.65

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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.