Home / 87,152.56-120,295.92-56,942.48

Finding the Fourth Proportional to 87,152.56, 120,295.92 and 56,942.48

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Solution

The fourth proportional to 87,152.56, 120,295.92 and 56,942.48 is: 78,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,152.56 : 120,295.92 = 56,942.48 : x
  2. Step 2: Convert to fraction form
    87,152.56/120,295.92 = 56,942.48/x
  3. Step 3: Cross multiply
    87,152.56x = 120,295.92 × 56,942.48
  4. Step 4: Simplify right side
    87,152.56x = 6,849,948,018.68
  5. Step 5: Solve for x
    x = 6,849,948,018.68/87,152.56
  6. Step 6: Final answer
    x = 78,597.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.