Home / 95,191.16-131,321.60-54,895.28

Finding the Fourth Proportional to 95,191.16, 131,321.60 and 54,895.28

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Solution

The fourth proportional to 95,191.16, 131,321.60 and 54,895.28 is: 75,731.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,191.16 : 131,321.60 = 54,895.28 : x
  2. Step 2: Convert to fraction form
    95,191.16/131,321.60 = 54,895.28/x
  3. Step 3: Cross multiply
    95,191.16x = 131,321.60 × 54,895.28
  4. Step 4: Simplify right side
    95,191.16x = 7,208,935,070.96
  5. Step 5: Solve for x
    x = 7,208,935,070.96/95,191.16
  6. Step 6: Final answer
    x = 75,731.14

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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.