Home / 181,600.89-272,401.33-81,742.47

Finding the Fourth Proportional to 181,600.89, 272,401.33 and 81,742.47

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Solution

The fourth proportional to 181,600.89, 272,401.33 and 81,742.47 is: 122,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,600.89 : 272,401.33 = 81,742.47 : x
  2. Step 2: Convert to fraction form
    181,600.89/272,401.33 = 81,742.47/x
  3. Step 3: Cross multiply
    181,600.89x = 272,401.33 × 81,742.47
  4. Step 4: Simplify right side
    181,600.89x = 22,266,756,472.89
  5. Step 5: Solve for x
    x = 22,266,756,472.89/181,600.89
  6. Step 6: Final answer
    x = 122,613.70

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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.