Home / 122,651.25-169,250.31-68,944.35

Finding the Fourth Proportional to 122,651.25, 169,250.31 and 68,944.35

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Solution

The fourth proportional to 122,651.25, 169,250.31 and 68,944.35 is: 95,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,651.25 : 169,250.31 = 68,944.35 : x
  2. Step 2: Convert to fraction form
    122,651.25/169,250.31 = 68,944.35/x
  3. Step 3: Cross multiply
    122,651.25x = 169,250.31 × 68,944.35
  4. Step 4: Simplify right side
    122,651.25x = 11,668,852,610.25
  5. Step 5: Solve for x
    x = 11,668,852,610.25/122,651.25
  6. Step 6: Final answer
    x = 95,138.47

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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.