Home / 107,849.88-161,779.14-52,432.92

Finding the Fourth Proportional to 107,849.88, 161,779.14 and 52,432.92

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Solution

The fourth proportional to 107,849.88, 161,779.14 and 52,432.92 is: 78,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,849.88 : 161,779.14 = 52,432.92 : x
  2. Step 2: Convert to fraction form
    107,849.88/161,779.14 = 52,432.92/x
  3. Step 3: Cross multiply
    107,849.88x = 161,779.14 × 52,432.92
  4. Step 4: Simplify right side
    107,849.88x = 8,482,552,705.29
  5. Step 5: Solve for x
    x = 8,482,552,705.29/107,849.88
  6. Step 6: Final answer
    x = 78,651.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.