Home / 87,222.40-130,899.84-63,909.76

Finding the Fourth Proportional to 87,222.40, 130,899.84 and 63,909.76

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Solution

The fourth proportional to 87,222.40, 130,899.84 and 63,909.76 is: 95,913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,222.40 : 130,899.84 = 63,909.76 : x
  2. Step 2: Convert to fraction form
    87,222.40/130,899.84 = 63,909.76/x
  3. Step 3: Cross multiply
    87,222.40x = 130,899.84 × 63,909.76
  4. Step 4: Simplify right side
    87,222.40x = 8,365,777,358.44
  5. Step 5: Solve for x
    x = 8,365,777,358.44/87,222.40
  6. Step 6: Final answer
    x = 95,913.18

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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.