Home / 125,755.22-173,454.32-85,398.92

Finding the Fourth Proportional to 125,755.22, 173,454.32 and 85,398.92

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Solution

The fourth proportional to 125,755.22, 173,454.32 and 85,398.92 is: 117,790.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,755.22 : 173,454.32 = 85,398.92 : x
  2. Step 2: Convert to fraction form
    125,755.22/173,454.32 = 85,398.92/x
  3. Step 3: Cross multiply
    125,755.22x = 173,454.32 × 85,398.92
  4. Step 4: Simplify right side
    125,755.22x = 14,812,810,943.56
  5. Step 5: Solve for x
    x = 14,812,810,943.56/125,755.22
  6. Step 6: Final answer
    x = 117,790.83

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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.