Home / 122,793.18-169,454.34-69,078.24

Finding the Fourth Proportional to 122,793.18, 169,454.34 and 69,078.24

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Solution

The fourth proportional to 122,793.18, 169,454.34 and 69,078.24 is: 95,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,793.18 : 169,454.34 = 69,078.24 : x
  2. Step 2: Convert to fraction form
    122,793.18/169,454.34 = 69,078.24/x
  3. Step 3: Cross multiply
    122,793.18x = 169,454.34 × 69,078.24
  4. Step 4: Simplify right side
    122,793.18x = 11,705,607,567.56
  5. Step 5: Solve for x
    x = 11,705,607,567.56/122,793.18
  6. Step 6: Final answer
    x = 95,327.83

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1.5x scale

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.