Home / 84,098.08-126,147.11-57,722.86

Finding the Fourth Proportional to 84,098.08, 126,147.11 and 57,722.86

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Solution

The fourth proportional to 84,098.08, 126,147.11 and 57,722.86 is: 86,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,098.08 : 126,147.11 = 57,722.86 : x
  2. Step 2: Convert to fraction form
    84,098.08/126,147.11 = 57,722.86/x
  3. Step 3: Cross multiply
    84,098.08x = 126,147.11 × 57,722.86
  4. Step 4: Simplify right side
    84,098.08x = 7,281,571,749.42
  5. Step 5: Solve for x
    x = 7,281,571,749.42/84,098.08
  6. Step 6: Final answer
    x = 86,584.28

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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.