Home / 122,734.14-169,379.81-69,022.33

Finding the Fourth Proportional to 122,734.14, 169,379.81 and 69,022.33

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Solution

The fourth proportional to 122,734.14, 169,379.81 and 69,022.33 is: 95,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,734.14 : 169,379.81 = 69,022.33 : x
  2. Step 2: Convert to fraction form
    122,734.14/169,379.81 = 69,022.33/x
  3. Step 3: Cross multiply
    122,734.14x = 169,379.81 × 69,022.33
  4. Step 4: Simplify right side
    122,734.14x = 11,690,988,631.43
  5. Step 5: Solve for x
    x = 11,690,988,631.43/122,734.14
  6. Step 6: Final answer
    x = 95,254.58

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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.