Home / 122,554.26-169,189.38-82,478.70

Finding the Fourth Proportional to 122,554.26, 169,189.38 and 82,478.70

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Solution

The fourth proportional to 122,554.26, 169,189.38 and 82,478.70 is: 113,864.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,554.26 : 169,189.38 = 82,478.70 : x
  2. Step 2: Convert to fraction form
    122,554.26/169,189.38 = 82,478.70/x
  3. Step 3: Cross multiply
    122,554.26x = 169,189.38 × 82,478.70
  4. Step 4: Simplify right side
    122,554.26x = 13,954,520,116.21
  5. Step 5: Solve for x
    x = 13,954,520,116.21/122,554.26
  6. Step 6: Final answer
    x = 113,864.02

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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.