Home / 122,944.58-169,679.69-69,240.10

Finding the Fourth Proportional to 122,944.58, 169,679.69 and 69,240.10

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Solution

The fourth proportional to 122,944.58, 169,679.69 and 69,240.10 is: 95,560.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,944.58 : 169,679.69 = 69,240.10 : x
  2. Step 2: Convert to fraction form
    122,944.58/169,679.69 = 69,240.10/x
  3. Step 3: Cross multiply
    122,944.58x = 169,679.69 × 69,240.10
  4. Step 4: Simplify right side
    122,944.58x = 11,748,637,508.97
  5. Step 5: Solve for x
    x = 11,748,637,508.97/122,944.58
  6. Step 6: Final answer
    x = 95,560.43

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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.