Home / 131,604.30-181,613.41-71,175.02

Finding the Fourth Proportional to 131,604.30, 181,613.41 and 71,175.02

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Solution

The fourth proportional to 131,604.30, 181,613.41 and 71,175.02 is: 98,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,604.30 : 181,613.41 = 71,175.02 : x
  2. Step 2: Convert to fraction form
    131,604.30/181,613.41 = 71,175.02/x
  3. Step 3: Cross multiply
    131,604.30x = 181,613.41 × 71,175.02
  4. Step 4: Simplify right side
    131,604.30x = 12,926,338,089.02
  5. Step 5: Solve for x
    x = 12,926,338,089.02/131,604.30
  6. Step 6: Final answer
    x = 98,221.24

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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.