Home / 87,188.48-120,316.56-49,461.92

Finding the Fourth Proportional to 87,188.48, 120,316.56 and 49,461.92

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Solution

The fourth proportional to 87,188.48, 120,316.56 and 49,461.92 is: 68,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,188.48 : 120,316.56 = 49,461.92 : x
  2. Step 2: Convert to fraction form
    87,188.48/120,316.56 = 49,461.92/x
  3. Step 3: Cross multiply
    87,188.48x = 120,316.56 × 49,461.92
  4. Step 4: Simplify right side
    87,188.48x = 5,951,088,065.40
  5. Step 5: Solve for x
    x = 5,951,088,065.40/87,188.48
  6. Step 6: Final answer
    x = 68,255.44

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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.