Home / 122,778.45-169,432.56-69,063.44

Finding the Fourth Proportional to 122,778.45, 169,432.56 and 69,063.44

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Solution

The fourth proportional to 122,778.45, 169,432.56 and 69,063.44 is: 95,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,778.45 : 169,432.56 = 69,063.44 : x
  2. Step 2: Convert to fraction form
    122,778.45/169,432.56 = 69,063.44/x
  3. Step 3: Cross multiply
    122,778.45x = 169,432.56 × 69,063.44
  4. Step 4: Simplify right side
    122,778.45x = 11,701,594,594.44
  5. Step 5: Solve for x
    x = 11,701,594,594.44/122,778.45
  6. Step 6: Final answer
    x = 95,306.58

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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.