Home / 187,332.20-280,901.10-68,942.60

Finding the Fourth Proportional to 187,332.20, 280,901.10 and 68,942.60

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Solution

The fourth proportional to 187,332.20, 280,901.10 and 68,942.60 is: 103,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,332.20 : 280,901.10 = 68,942.60 : x
  2. Step 2: Convert to fraction form
    187,332.20/280,901.10 = 68,942.60/x
  3. Step 3: Cross multiply
    187,332.20x = 280,901.10 × 68,942.60
  4. Step 4: Simplify right side
    187,332.20x = 19,366,052,176.86
  5. Step 5: Solve for x
    x = 19,366,052,176.86/187,332.20
  6. Step 6: Final answer
    x = 103,378.13

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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.