Home / 84,519.36-126,781.98-40,123.24

Finding the Fourth Proportional to 84,519.36, 126,781.98 and 40,123.24

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Solution

The fourth proportional to 84,519.36, 126,781.98 and 40,123.24 is: 60,186.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,519.36 : 126,781.98 = 40,123.24 : x
  2. Step 2: Convert to fraction form
    84,519.36/126,781.98 = 40,123.24/x
  3. Step 3: Cross multiply
    84,519.36x = 126,781.98 × 40,123.24
  4. Step 4: Simplify right side
    84,519.36x = 5,086,903,811.22
  5. Step 5: Solve for x
    x = 5,086,903,811.22/84,519.36
  6. Step 6: Final answer
    x = 60,186.26

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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.