Home / 102,649.14-141,654.48-57,327.96

Finding the Fourth Proportional to 102,649.14, 141,654.48 and 57,327.96

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Solution

The fourth proportional to 102,649.14, 141,654.48 and 57,327.96 is: 79,111.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,649.14 : 141,654.48 = 57,327.96 : x
  2. Step 2: Convert to fraction form
    102,649.14/141,654.48 = 57,327.96/x
  3. Step 3: Cross multiply
    102,649.14x = 141,654.48 × 57,327.96
  4. Step 4: Simplify right side
    102,649.14x = 8,120,762,363.26
  5. Step 5: Solve for x
    x = 8,120,762,363.26/102,649.14
  6. Step 6: Final answer
    x = 79,111.84

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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.