Home / 87,231.16-119,594.33-85,656.52

Finding the Fourth Proportional to 87,231.16, 119,594.33 and 85,656.52

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Solution

The fourth proportional to 87,231.16, 119,594.33 and 85,656.52 is: 117,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,231.16 : 119,594.33 = 85,656.52 : x
  2. Step 2: Convert to fraction form
    87,231.16/119,594.33 = 85,656.52/x
  3. Step 3: Cross multiply
    87,231.16x = 119,594.33 × 85,656.52
  4. Step 4: Simplify right side
    87,231.16x = 10,244,034,119.53
  5. Step 5: Solve for x
    x = 10,244,034,119.53/87,231.16
  6. Step 6: Final answer
    x = 117,435.49

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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.