Home / 87,298.28-131,012.63-59,151.59

Finding the Fourth Proportional to 87,298.28, 131,012.63 and 59,151.59

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Solution

The fourth proportional to 87,298.28, 131,012.63 and 59,151.59 is: 88,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,298.28 : 131,012.63 = 59,151.59 : x
  2. Step 2: Convert to fraction form
    87,298.28/131,012.63 = 59,151.59/x
  3. Step 3: Cross multiply
    87,298.28x = 131,012.63 × 59,151.59
  4. Step 4: Simplify right side
    87,298.28x = 7,749,605,374.58
  5. Step 5: Solve for x
    x = 7,749,605,374.58/87,298.28
  6. Step 6: Final answer
    x = 88,771.57

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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.