Home / 99,164.28-148,757.02-31,672.75

Finding the Fourth Proportional to 99,164.28, 148,757.02 and 31,672.75

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Solution

The fourth proportional to 99,164.28, 148,757.02 and 31,672.75 is: 47,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,164.28 : 148,757.02 = 31,672.75 : x
  2. Step 2: Convert to fraction form
    99,164.28/148,757.02 = 31,672.75/x
  3. Step 3: Cross multiply
    99,164.28x = 148,757.02 × 31,672.75
  4. Step 4: Simplify right side
    99,164.28x = 4,711,543,746.84
  5. Step 5: Solve for x
    x = 4,711,543,746.84/99,164.28
  6. Step 6: Final answer
    x = 47,512.51

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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.