Home / 102,827.13-141,900.87-57,505.11

Finding the Fourth Proportional to 102,827.13, 141,900.87 and 57,505.11

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Solution

The fourth proportional to 102,827.13, 141,900.87 and 57,505.11 is: 79,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,827.13 : 141,900.87 = 57,505.11 : x
  2. Step 2: Convert to fraction form
    102,827.13/141,900.87 = 57,505.11/x
  3. Step 3: Cross multiply
    102,827.13x = 141,900.87 × 57,505.11
  4. Step 4: Simplify right side
    102,827.13x = 8,160,025,138.45
  5. Step 5: Solve for x
    x = 8,160,025,138.45/102,827.13
  6. Step 6: Final answer
    x = 79,356.73

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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.