Home / 80,244.14-120,379.87-40,282.18

Finding the Fourth Proportional to 80,244.14, 120,379.87 and 40,282.18

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Solution

The fourth proportional to 80,244.14, 120,379.87 and 40,282.18 is: 60,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,244.14 : 120,379.87 = 40,282.18 : x
  2. Step 2: Convert to fraction form
    80,244.14/120,379.87 = 40,282.18/x
  3. Step 3: Cross multiply
    80,244.14x = 120,379.87 × 40,282.18
  4. Step 4: Simplify right side
    80,244.14x = 4,849,163,341.12
  5. Step 5: Solve for x
    x = 4,849,163,341.12/80,244.14
  6. Step 6: Final answer
    x = 60,430.13

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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.