Home / 91,025.96-136,534.68-31,874.88

Finding the Fourth Proportional to 91,025.96, 136,534.68 and 31,874.88

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Solution

The fourth proportional to 91,025.96, 136,534.68 and 31,874.88 is: 47,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,025.96 : 136,534.68 = 31,874.88 : x
  2. Step 2: Convert to fraction form
    91,025.96/136,534.68 = 31,874.88/x
  3. Step 3: Cross multiply
    91,025.96x = 136,534.68 × 31,874.88
  4. Step 4: Simplify right side
    91,025.96x = 4,352,026,540.84
  5. Step 5: Solve for x
    x = 4,352,026,540.84/91,025.96
  6. Step 6: Final answer
    x = 47,810.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.