Home / 240,162.18-331,426.25-131,269.62

Finding the Fourth Proportional to 240,162.18, 331,426.25 and 131,269.62

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Solution

The fourth proportional to 240,162.18, 331,426.25 and 131,269.62 is: 181,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,162.18 : 331,426.25 = 131,269.62 : x
  2. Step 2: Convert to fraction form
    240,162.18/331,426.25 = 131,269.62/x
  3. Step 3: Cross multiply
    240,162.18x = 331,426.25 × 131,269.62
  4. Step 4: Simplify right side
    240,162.18x = 43,506,198,974.29
  5. Step 5: Solve for x
    x = 43,506,198,974.29/240,162.18
  6. Step 6: Final answer
    x = 181,153.42

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1.5x scale

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.