Home / 122,521.82-169,037.99-76,550.27

Finding the Fourth Proportional to 122,521.82, 169,037.99 and 76,550.27

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Solution

The fourth proportional to 122,521.82, 169,037.99 and 76,550.27 is: 105,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,521.82 : 169,037.99 = 76,550.27 : x
  2. Step 2: Convert to fraction form
    122,521.82/169,037.99 = 76,550.27/x
  3. Step 3: Cross multiply
    122,521.82x = 169,037.99 × 76,550.27
  4. Step 4: Simplify right side
    122,521.82x = 12,939,902,833.88
  5. Step 5: Solve for x
    x = 12,939,902,833.88/122,521.82
  6. Step 6: Final answer
    x = 105,613.05

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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.