Home / 122,725.43-169,357.71-69,009.05

Finding the Fourth Proportional to 122,725.43, 169,357.71 and 69,009.05

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Solution

The fourth proportional to 122,725.43, 169,357.71 and 69,009.05 is: 95,230.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,725.43 : 169,357.71 = 69,009.05 : x
  2. Step 2: Convert to fraction form
    122,725.43/169,357.71 = 69,009.05/x
  3. Step 3: Cross multiply
    122,725.43x = 169,357.71 × 69,009.05
  4. Step 4: Simplify right side
    122,725.43x = 11,687,214,677.28
  5. Step 5: Solve for x
    x = 11,687,214,677.28/122,725.43
  6. Step 6: Final answer
    x = 95,230.59

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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.