Home / 91,445.52-137,179.08-38,825.76

Finding the Fourth Proportional to 91,445.52, 137,179.08 and 38,825.76

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Solution

The fourth proportional to 91,445.52, 137,179.08 and 38,825.76 is: 58,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,445.52 : 137,179.08 = 38,825.76 : x
  2. Step 2: Convert to fraction form
    91,445.52/137,179.08 = 38,825.76/x
  3. Step 3: Cross multiply
    91,445.52x = 137,179.08 × 38,825.76
  4. Step 4: Simplify right side
    91,445.52x = 5,326,082,037.10
  5. Step 5: Solve for x
    x = 5,326,082,037.10/91,445.52
  6. Step 6: Final answer
    x = 58,243.23

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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.