Home / 131,998.78-182,158.94-71,569.24

Finding the Fourth Proportional to 131,998.78, 182,158.94 and 71,569.24

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Solution

The fourth proportional to 131,998.78, 182,158.94 and 71,569.24 is: 98,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,998.78 : 182,158.94 = 71,569.24 : x
  2. Step 2: Convert to fraction form
    131,998.78/182,158.94 = 71,569.24/x
  3. Step 3: Cross multiply
    131,998.78x = 182,158.94 × 71,569.24
  4. Step 4: Simplify right side
    131,998.78x = 13,036,976,618.53
  5. Step 5: Solve for x
    x = 13,036,976,618.53/131,998.78
  6. Step 6: Final answer
    x = 98,765.89

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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.