Home / 122,829.86-169,508.52-69,116.78

Finding the Fourth Proportional to 122,829.86, 169,508.52 and 69,116.78

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Solution

The fourth proportional to 122,829.86, 169,508.52 and 69,116.78 is: 95,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,829.86 : 169,508.52 = 69,116.78 : x
  2. Step 2: Convert to fraction form
    122,829.86/169,508.52 = 69,116.78/x
  3. Step 3: Cross multiply
    122,829.86x = 169,508.52 × 69,116.78
  4. Step 4: Simplify right side
    122,829.86x = 11,715,883,508.74
  5. Step 5: Solve for x
    x = 11,715,883,508.74/122,829.86
  6. Step 6: Final answer
    x = 95,383.02

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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.