Home / 122,979.39-169,712.13-69,265.32

Finding the Fourth Proportional to 122,979.39, 169,712.13 and 69,265.32

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Solution

The fourth proportional to 122,979.39, 169,712.13 and 69,265.32 is: 95,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,979.39 : 169,712.13 = 69,265.32 : x
  2. Step 2: Convert to fraction form
    122,979.39/169,712.13 = 69,265.32/x
  3. Step 3: Cross multiply
    122,979.39x = 169,712.13 × 69,265.32
  4. Step 4: Simplify right side
    122,979.39x = 11,755,164,992.33
  5. Step 5: Solve for x
    x = 11,755,164,992.33/122,979.39
  6. Step 6: Final answer
    x = 95,586.46

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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.