Home / 102,379.24-141,264.60-57,056.08

Finding the Fourth Proportional to 102,379.24, 141,264.60 and 57,056.08

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Solution

The fourth proportional to 102,379.24, 141,264.60 and 57,056.08 is: 78,726.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,379.24 : 141,264.60 = 57,056.08 : x
  2. Step 2: Convert to fraction form
    102,379.24/141,264.60 = 57,056.08/x
  3. Step 3: Cross multiply
    102,379.24x = 141,264.60 × 57,056.08
  4. Step 4: Simplify right side
    102,379.24x = 8,060,004,318.77
  5. Step 5: Solve for x
    x = 8,060,004,318.77/102,379.24
  6. Step 6: Final answer
    x = 78,726.94

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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.