Home / 87,134.34-120,149.33-60,230.14

Finding the Fourth Proportional to 87,134.34, 120,149.33 and 60,230.14

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Solution

The fourth proportional to 87,134.34, 120,149.33 and 60,230.14 is: 83,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,134.34 : 120,149.33 = 60,230.14 : x
  2. Step 2: Convert to fraction form
    87,134.34/120,149.33 = 60,230.14/x
  3. Step 3: Cross multiply
    87,134.34x = 120,149.33 × 60,230.14
  4. Step 4: Simplify right side
    87,134.34x = 7,236,610,966.81
  5. Step 5: Solve for x
    x = 7,236,610,966.81/87,134.34
  6. Step 6: Final answer
    x = 83,051.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.