Home / 122,948.97-169,667.91-69,234.63

Finding the Fourth Proportional to 122,948.97, 169,667.91 and 69,234.63

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Solution

The fourth proportional to 122,948.97, 169,667.91 and 69,234.63 is: 95,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,948.97 : 169,667.91 = 69,234.63 : x
  2. Step 2: Convert to fraction form
    122,948.97/169,667.91 = 69,234.63/x
  3. Step 3: Cross multiply
    122,948.97x = 169,667.91 × 69,234.63
  4. Step 4: Simplify right side
    122,948.97x = 11,746,894,971.72
  5. Step 5: Solve for x
    x = 11,746,894,971.72/122,948.97
  6. Step 6: Final answer
    x = 95,542.85

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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.