Home / 87,154.26-120,262.88-48,908.60

Finding the Fourth Proportional to 87,154.26, 120,262.88 and 48,908.60

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Solution

The fourth proportional to 87,154.26, 120,262.88 and 48,908.60 is: 67,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,154.26 : 120,262.88 = 48,908.60 : x
  2. Step 2: Convert to fraction form
    87,154.26/120,262.88 = 48,908.60/x
  3. Step 3: Cross multiply
    87,154.26x = 120,262.88 × 48,908.60
  4. Step 4: Simplify right side
    87,154.26x = 5,881,888,246.91
  5. Step 5: Solve for x
    x = 5,881,888,246.91/87,154.26
  6. Step 6: Final answer
    x = 67,488.25

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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.