Home / 122,939.63-169,655.07-69,229.95

Finding the Fourth Proportional to 122,939.63, 169,655.07 and 69,229.95

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Solution

The fourth proportional to 122,939.63, 169,655.07 and 69,229.95 is: 95,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,939.63 : 169,655.07 = 69,229.95 : x
  2. Step 2: Convert to fraction form
    122,939.63/169,655.07 = 69,229.95/x
  3. Step 3: Cross multiply
    122,939.63x = 169,655.07 × 69,229.95
  4. Step 4: Simplify right side
    122,939.63x = 11,745,212,013.35
  5. Step 5: Solve for x
    x = 11,745,212,013.35/122,939.63
  6. Step 6: Final answer
    x = 95,536.42

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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.