Home / 87,230.16-119,592.96-85,655.52

Finding the Fourth Proportional to 87,230.16, 119,592.96 and 85,655.52

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Solution

The fourth proportional to 87,230.16, 119,592.96 and 85,655.52 is: 117,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,230.16 : 119,592.96 = 85,655.52 : x
  2. Step 2: Convert to fraction form
    87,230.16/119,592.96 = 85,655.52/x
  3. Step 3: Cross multiply
    87,230.16x = 119,592.96 × 85,655.52
  4. Step 4: Simplify right side
    87,230.16x = 10,243,797,177.14
  5. Step 5: Solve for x
    x = 10,243,797,177.14/87,230.16
  6. Step 6: Final answer
    x = 117,434.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.