Home / 87,258.85-131,085.10-52,223.11

Finding the Fourth Proportional to 87,258.85, 131,085.10 and 52,223.11

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Solution

The fourth proportional to 87,258.85, 131,085.10 and 52,223.11 is: 78,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,258.85 : 131,085.10 = 52,223.11 : x
  2. Step 2: Convert to fraction form
    87,258.85/131,085.10 = 52,223.11/x
  3. Step 3: Cross multiply
    87,258.85x = 131,085.10 × 52,223.11
  4. Step 4: Simplify right side
    87,258.85x = 6,845,671,596.66
  5. Step 5: Solve for x
    x = 6,845,671,596.66/87,258.85
  6. Step 6: Final answer
    x = 78,452.46

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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.