Home / 131,605.42-181,614.96-71,176.14

Finding the Fourth Proportional to 131,605.42, 181,614.96 and 71,176.14

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Solution

The fourth proportional to 131,605.42, 181,614.96 and 71,176.14 is: 98,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,605.42 : 181,614.96 = 71,176.14 : x
  2. Step 2: Convert to fraction form
    131,605.42/181,614.96 = 71,176.14/x
  3. Step 3: Cross multiply
    131,605.42x = 181,614.96 × 71,176.14
  4. Step 4: Simplify right side
    131,605.42x = 12,926,651,819.05
  5. Step 5: Solve for x
    x = 12,926,651,819.05/131,605.42
  6. Step 6: Final answer
    x = 98,222.79

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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.