Home / 100,742.28-151,092.02-29,645.61

Finding the Fourth Proportional to 100,742.28, 151,092.02 and 29,645.61

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Solution

The fourth proportional to 100,742.28, 151,092.02 and 29,645.61 is: 44,462.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,742.28 : 151,092.02 = 29,645.61 : x
  2. Step 2: Convert to fraction form
    100,742.28/151,092.02 = 29,645.61/x
  3. Step 3: Cross multiply
    100,742.28x = 151,092.02 × 29,645.61
  4. Step 4: Simplify right side
    100,742.28x = 4,479,215,099.03
  5. Step 5: Solve for x
    x = 4,479,215,099.03/100,742.28
  6. Step 6: Final answer
    x = 44,462.12

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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.