Home / 102,844.71-141,927.80-57,517.76

Finding the Fourth Proportional to 102,844.71, 141,927.80 and 57,517.76

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Solution

The fourth proportional to 102,844.71, 141,927.80 and 57,517.76 is: 79,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,844.71 : 141,927.80 = 57,517.76 : x
  2. Step 2: Convert to fraction form
    102,844.71/141,927.80 = 57,517.76/x
  3. Step 3: Cross multiply
    102,844.71x = 141,927.80 × 57,517.76
  4. Step 4: Simplify right side
    102,844.71x = 8,163,369,204.96
  5. Step 5: Solve for x
    x = 8,163,369,204.96/102,844.71
  6. Step 6: Final answer
    x = 79,375.68

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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.