Home / 102,343.02-141,231.24-57,020.82

Finding the Fourth Proportional to 102,343.02, 141,231.24 and 57,020.82

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Solution

The fourth proportional to 102,343.02, 141,231.24 and 57,020.82 is: 78,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,343.02 : 141,231.24 = 57,020.82 : x
  2. Step 2: Convert to fraction form
    102,343.02/141,231.24 = 57,020.82/x
  3. Step 3: Cross multiply
    102,343.02x = 141,231.24 × 57,020.82
  4. Step 4: Simplify right side
    102,343.02x = 8,053,121,114.42
  5. Step 5: Solve for x
    x = 8,053,121,114.42/102,343.02
  6. Step 6: Final answer
    x = 78,687.55

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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.