Home / 84,327.86-126,198.36-52,291.96

Finding the Fourth Proportional to 84,327.86, 126,198.36 and 52,291.96

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Solution

The fourth proportional to 84,327.86, 126,198.36 and 52,291.96 is: 78,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,327.86 : 126,198.36 = 52,291.96 : x
  2. Step 2: Convert to fraction form
    84,327.86/126,198.36 = 52,291.96/x
  3. Step 3: Cross multiply
    84,327.86x = 126,198.36 × 52,291.96
  4. Step 4: Simplify right side
    84,327.86x = 6,599,159,593.19
  5. Step 5: Solve for x
    x = 6,599,159,593.19/84,327.86
  6. Step 6: Final answer
    x = 78,255.98

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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.