Home / 84,089.70-126,147.78-24,931.26

Finding the Fourth Proportional to 84,089.70, 126,147.78 and 24,931.26

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Solution

The fourth proportional to 84,089.70, 126,147.78 and 24,931.26 is: 37,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,089.70 : 126,147.78 = 24,931.26 : x
  2. Step 2: Convert to fraction form
    84,089.70/126,147.78 = 24,931.26/x
  3. Step 3: Cross multiply
    84,089.70x = 126,147.78 × 24,931.26
  4. Step 4: Simplify right side
    84,089.70x = 3,145,023,101.60
  5. Step 5: Solve for x
    x = 3,145,023,101.60/84,089.70
  6. Step 6: Final answer
    x = 37,400.81

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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.