Home / 242,779.20-364,082.40-109,723.20

Finding the Fourth Proportional to 242,779.20, 364,082.40 and 109,723.20

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Solution

The fourth proportional to 242,779.20, 364,082.40 and 109,723.20 is: 164,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,779.20 : 364,082.40 = 109,723.20 : x
  2. Step 2: Convert to fraction form
    242,779.20/364,082.40 = 109,723.20/x
  3. Step 3: Cross multiply
    242,779.20x = 364,082.40 × 109,723.20
  4. Step 4: Simplify right side
    242,779.20x = 39,948,285,991.68
  5. Step 5: Solve for x
    x = 39,948,285,991.68/242,779.20
  6. Step 6: Final answer
    x = 164,545.75

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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.