Home / 122,760.11-169,407.28-69,045.11

Finding the Fourth Proportional to 122,760.11, 169,407.28 and 69,045.11

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Solution

The fourth proportional to 122,760.11, 169,407.28 and 69,045.11 is: 95,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,760.11 : 169,407.28 = 69,045.11 : x
  2. Step 2: Convert to fraction form
    122,760.11/169,407.28 = 69,045.11/x
  3. Step 3: Cross multiply
    122,760.11x = 169,407.28 × 69,045.11
  4. Step 4: Simplify right side
    122,760.11x = 11,696,743,262.75
  5. Step 5: Solve for x
    x = 11,696,743,262.75/122,760.11
  6. Step 6: Final answer
    x = 95,281.30

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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.