Home / 122,725.93-169,358.40-69,009.55

Finding the Fourth Proportional to 122,725.93, 169,358.40 and 69,009.55

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Solution

The fourth proportional to 122,725.93, 169,358.40 and 69,009.55 is: 95,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,725.93 : 169,358.40 = 69,009.55 : x
  2. Step 2: Convert to fraction form
    122,725.93/169,358.40 = 69,009.55/x
  3. Step 3: Cross multiply
    122,725.93x = 169,358.40 × 69,009.55
  4. Step 4: Simplify right side
    122,725.93x = 11,687,346,972.72
  5. Step 5: Solve for x
    x = 11,687,346,972.72/122,725.93
  6. Step 6: Final answer
    x = 95,231.28

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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.