Home / 84,372.12-126,558.24-25,207.80

Finding the Fourth Proportional to 84,372.12, 126,558.24 and 25,207.80

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Solution

The fourth proportional to 84,372.12, 126,558.24 and 25,207.80 is: 37,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,372.12 : 126,558.24 = 25,207.80 : x
  2. Step 2: Convert to fraction form
    84,372.12/126,558.24 = 25,207.80/x
  3. Step 3: Cross multiply
    84,372.12x = 126,558.24 × 25,207.80
  4. Step 4: Simplify right side
    84,372.12x = 3,190,254,802.27
  5. Step 5: Solve for x
    x = 3,190,254,802.27/84,372.12
  6. Step 6: Final answer
    x = 37,811.72

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1.5x scale

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.