Home / 131,440.98-197,177.85-51,468.62

Finding the Fourth Proportional to 131,440.98, 197,177.85 and 51,468.62

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Solution

The fourth proportional to 131,440.98, 197,177.85 and 51,468.62 is: 77,209.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,440.98 : 197,177.85 = 51,468.62 : x
  2. Step 2: Convert to fraction form
    131,440.98/197,177.85 = 51,468.62/x
  3. Step 3: Cross multiply
    131,440.98x = 197,177.85 × 51,468.62
  4. Step 4: Simplify right side
    131,440.98x = 10,148,471,834.07
  5. Step 5: Solve for x
    x = 10,148,471,834.07/131,440.98
  6. Step 6: Final answer
    x = 77,209.34

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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.