Home / 102,562.46-141,543.30-57,249.26

Finding the Fourth Proportional to 102,562.46, 141,543.30 and 57,249.26

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Solution

The fourth proportional to 102,562.46, 141,543.30 and 57,249.26 is: 79,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,562.46 : 141,543.30 = 57,249.26 : x
  2. Step 2: Convert to fraction form
    102,562.46/141,543.30 = 57,249.26/x
  3. Step 3: Cross multiply
    102,562.46x = 141,543.30 × 57,249.26
  4. Step 4: Simplify right side
    102,562.46x = 8,103,249,182.96
  5. Step 5: Solve for x
    x = 8,103,249,182.96/102,562.46
  6. Step 6: Final answer
    x = 79,007.94

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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.