Home / 131,390.56-197,086.92-56,505.52

Finding the Fourth Proportional to 131,390.56, 197,086.92 and 56,505.52

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Solution

The fourth proportional to 131,390.56, 197,086.92 and 56,505.52 is: 84,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,390.56 : 197,086.92 = 56,505.52 : x
  2. Step 2: Convert to fraction form
    131,390.56/197,086.92 = 56,505.52/x
  3. Step 3: Cross multiply
    131,390.56x = 197,086.92 × 56,505.52
  4. Step 4: Simplify right side
    131,390.56x = 11,136,498,899.80
  5. Step 5: Solve for x
    x = 11,136,498,899.80/131,390.56
  6. Step 6: Final answer
    x = 84,758.74

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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.