Home / 122,631.39-169,250.67-71,674.29

Finding the Fourth Proportional to 122,631.39, 169,250.67 and 71,674.29

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Solution

The fourth proportional to 122,631.39, 169,250.67 and 71,674.29 is: 98,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,631.39 : 169,250.67 = 71,674.29 : x
  2. Step 2: Convert to fraction form
    122,631.39/169,250.67 = 71,674.29/x
  3. Step 3: Cross multiply
    122,631.39x = 169,250.67 × 71,674.29
  4. Step 4: Simplify right side
    122,631.39x = 12,130,921,604.27
  5. Step 5: Solve for x
    x = 12,130,921,604.27/122,631.39
  6. Step 6: Final answer
    x = 98,921.83

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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.