Home / 131,588.28-197,380.58-31,747.62

Finding the Fourth Proportional to 131,588.28, 197,380.58 and 31,747.62

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Solution

The fourth proportional to 131,588.28, 197,380.58 and 31,747.62 is: 47,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,588.28 : 197,380.58 = 31,747.62 : x
  2. Step 2: Convert to fraction form
    131,588.28/197,380.58 = 31,747.62/x
  3. Step 3: Cross multiply
    131,588.28x = 197,380.58 × 31,747.62
  4. Step 4: Simplify right side
    131,588.28x = 6,266,363,490.48
  5. Step 5: Solve for x
    x = 6,266,363,490.48/131,588.28
  6. Step 6: Final answer
    x = 47,620.98

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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.