Home / 122,789.44-169,473.63-79,822.18

Finding the Fourth Proportional to 122,789.44, 169,473.63 and 79,822.18

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Solution

The fourth proportional to 122,789.44, 169,473.63 and 79,822.18 is: 110,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,789.44 : 169,473.63 = 79,822.18 : x
  2. Step 2: Convert to fraction form
    122,789.44/169,473.63 = 79,822.18/x
  3. Step 3: Cross multiply
    122,789.44x = 169,473.63 × 79,822.18
  4. Step 4: Simplify right side
    122,789.44x = 13,527,754,599.11
  5. Step 5: Solve for x
    x = 13,527,754,599.11/122,789.44
  6. Step 6: Final answer
    x = 110,170.34

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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.