Home / 223,734.12-308,753.10-123,132.12

Finding the Fourth Proportional to 223,734.12, 308,753.10 and 123,132.12

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Solution

The fourth proportional to 223,734.12, 308,753.10 and 123,132.12 is: 169,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,734.12 : 308,753.10 = 123,132.12 : x
  2. Step 2: Convert to fraction form
    223,734.12/308,753.10 = 123,132.12/x
  3. Step 3: Cross multiply
    223,734.12x = 308,753.10 × 123,132.12
  4. Step 4: Simplify right side
    223,734.12x = 38,017,423,759.57
  5. Step 5: Solve for x
    x = 38,017,423,759.57/223,734.12
  6. Step 6: Final answer
    x = 169,922.33

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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.