Home / 102,463.73-141,399.66-57,141.76

Finding the Fourth Proportional to 102,463.73, 141,399.66 and 57,141.76

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Solution

The fourth proportional to 102,463.73, 141,399.66 and 57,141.76 is: 78,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,463.73 : 141,399.66 = 57,141.76 : x
  2. Step 2: Convert to fraction form
    102,463.73/141,399.66 = 57,141.76/x
  3. Step 3: Cross multiply
    102,463.73x = 141,399.66 × 57,141.76
  4. Step 4: Simplify right side
    102,463.73x = 8,079,824,728.80
  5. Step 5: Solve for x
    x = 8,079,824,728.80/102,463.73
  6. Step 6: Final answer
    x = 78,855.47

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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.