Home / 122,836.32-169,524.12-69,118.20

Finding the Fourth Proportional to 122,836.32, 169,524.12 and 69,118.20

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Solution

The fourth proportional to 122,836.32, 169,524.12 and 69,118.20 is: 95,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,836.32 : 169,524.12 = 69,118.20 : x
  2. Step 2: Convert to fraction form
    122,836.32/169,524.12 = 69,118.20/x
  3. Step 3: Cross multiply
    122,836.32x = 169,524.12 × 69,118.20
  4. Step 4: Simplify right side
    122,836.32x = 11,717,202,030.98
  5. Step 5: Solve for x
    x = 11,717,202,030.98/122,836.32
  6. Step 6: Final answer
    x = 95,388.74

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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.