Home / 156,092.52-215,408.26-88,110.12

Finding the Fourth Proportional to 156,092.52, 215,408.26 and 88,110.12

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Solution

The fourth proportional to 156,092.52, 215,408.26 and 88,110.12 is: 121,592.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,092.52 : 215,408.26 = 88,110.12 : x
  2. Step 2: Convert to fraction form
    156,092.52/215,408.26 = 88,110.12/x
  3. Step 3: Cross multiply
    156,092.52x = 215,408.26 × 88,110.12
  4. Step 4: Simplify right side
    156,092.52x = 18,979,647,637.59
  5. Step 5: Solve for x
    x = 18,979,647,637.59/156,092.52
  6. Step 6: Final answer
    x = 121,592.29

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1.5x scale

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.