Home / 87,364.08-120,402.54-63,449.22

Finding the Fourth Proportional to 87,364.08, 120,402.54 and 63,449.22

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Solution

The fourth proportional to 87,364.08, 120,402.54 and 63,449.22 is: 87,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,364.08 : 120,402.54 = 63,449.22 : x
  2. Step 2: Convert to fraction form
    87,364.08/120,402.54 = 63,449.22/x
  3. Step 3: Cross multiply
    87,364.08x = 120,402.54 × 63,449.22
  4. Step 4: Simplify right side
    87,364.08x = 7,639,447,249.02
  5. Step 5: Solve for x
    x = 7,639,447,249.02/87,364.08
  6. Step 6: Final answer
    x = 87,443.80

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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.