Home / 151,275.15-226,807.68-66,989.38

Finding the Fourth Proportional to 151,275.15, 226,807.68 and 66,989.38

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Solution

The fourth proportional to 151,275.15, 226,807.68 and 66,989.38 is: 100,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,275.15 : 226,807.68 = 66,989.38 : x
  2. Step 2: Convert to fraction form
    151,275.15/226,807.68 = 66,989.38/x
  3. Step 3: Cross multiply
    151,275.15x = 226,807.68 × 66,989.38
  4. Step 4: Simplify right side
    151,275.15x = 15,193,705,862.44
  5. Step 5: Solve for x
    x = 15,193,705,862.44/151,275.15
  6. Step 6: Final answer
    x = 100,437.55

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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.