Home / 87,391.40-131,090-24,212.16

Finding the Fourth Proportional to 87,391.40, 131,090 and 24,212.16

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Solution

The fourth proportional to 87,391.40, 131,090 and 24,212.16 is: 36,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,391.40 : 131,090 = 24,212.16 : x
  2. Step 2: Convert to fraction form
    87,391.40/131,090 = 24,212.16/x
  3. Step 3: Cross multiply
    87,391.40x = 131,090 × 24,212.16
  4. Step 4: Simplify right side
    87,391.40x = 3,173,972,054.40
  5. Step 5: Solve for x
    x = 3,173,972,054.40/87,391.40
  6. Step 6: Final answer
    x = 36,319.04

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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.