Home / 102,376.71-141,261.12-57,053.61

Finding the Fourth Proportional to 102,376.71, 141,261.12 and 57,053.61

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Solution

The fourth proportional to 102,376.71, 141,261.12 and 57,053.61 is: 78,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,376.71 : 141,261.12 = 57,053.61 : x
  2. Step 2: Convert to fraction form
    102,376.71/141,261.12 = 57,053.61/x
  3. Step 3: Cross multiply
    102,376.71x = 141,261.12 × 57,053.61
  4. Step 4: Simplify right side
    102,376.71x = 8,059,456,848.64
  5. Step 5: Solve for x
    x = 8,059,456,848.64/102,376.71
  6. Step 6: Final answer
    x = 78,723.54

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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.