Home / 131,350.88-197,007.85-42,605.15

Finding the Fourth Proportional to 131,350.88, 197,007.85 and 42,605.15

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Solution

The fourth proportional to 131,350.88, 197,007.85 and 42,605.15 is: 63,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,350.88 : 197,007.85 = 42,605.15 : x
  2. Step 2: Convert to fraction form
    131,350.88/197,007.85 = 42,605.15/x
  3. Step 3: Cross multiply
    131,350.88x = 197,007.85 × 42,605.15
  4. Step 4: Simplify right side
    131,350.88x = 8,393,549,386.43
  5. Step 5: Solve for x
    x = 8,393,549,386.43/131,350.88
  6. Step 6: Final answer
    x = 63,901.74

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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.