Home / 109,675.28-151,350.72-61,925.78

Finding the Fourth Proportional to 109,675.28, 151,350.72 and 61,925.78

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Solution

The fourth proportional to 109,675.28, 151,350.72 and 61,925.78 is: 85,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,675.28 : 151,350.72 = 61,925.78 : x
  2. Step 2: Convert to fraction form
    109,675.28/151,350.72 = 61,925.78/x
  3. Step 3: Cross multiply
    109,675.28x = 151,350.72 × 61,925.78
  4. Step 4: Simplify right side
    109,675.28x = 9,372,511,389.56
  5. Step 5: Solve for x
    x = 9,372,511,389.56/109,675.28
  6. Step 6: Final answer
    x = 85,456.92

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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.