Home / 122,949.90-169,669.20-69,240.18

Finding the Fourth Proportional to 122,949.90, 169,669.20 and 69,240.18

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Solution

The fourth proportional to 122,949.90, 169,669.20 and 69,240.18 is: 95,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,949.90 : 169,669.20 = 69,240.18 : x
  2. Step 2: Convert to fraction form
    122,949.90/169,669.20 = 69,240.18/x
  3. Step 3: Cross multiply
    122,949.90x = 169,669.20 × 69,240.18
  4. Step 4: Simplify right side
    122,949.90x = 11,747,925,948.46
  5. Step 5: Solve for x
    x = 11,747,925,948.46/122,949.90
  6. Step 6: Final answer
    x = 95,550.51

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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.