Home / 131,747.28-197,630.94-51,746.64

Finding the Fourth Proportional to 131,747.28, 197,630.94 and 51,746.64

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Solution

The fourth proportional to 131,747.28, 197,630.94 and 51,746.64 is: 77,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,747.28 : 197,630.94 = 51,746.64 : x
  2. Step 2: Convert to fraction form
    131,747.28/197,630.94 = 51,746.64/x
  3. Step 3: Cross multiply
    131,747.28x = 197,630.94 × 51,746.64
  4. Step 4: Simplify right side
    131,747.28x = 10,226,737,105.04
  5. Step 5: Solve for x
    x = 10,226,737,105.04/131,747.28
  6. Step 6: Final answer
    x = 77,623.90

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1.5x scale

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.