Home / 223,337.13-308,080.49-137,236.29

Finding the Fourth Proportional to 223,337.13, 308,080.49 and 137,236.29

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Solution

The fourth proportional to 223,337.13, 308,080.49 and 137,236.29 is: 189,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,337.13 : 308,080.49 = 137,236.29 : x
  2. Step 2: Convert to fraction form
    223,337.13/308,080.49 = 137,236.29/x
  3. Step 3: Cross multiply
    223,337.13x = 308,080.49 × 137,236.29
  4. Step 4: Simplify right side
    223,337.13x = 42,279,822,782.80
  5. Step 5: Solve for x
    x = 42,279,822,782.80/223,337.13
  6. Step 6: Final answer
    x = 189,309.42

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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.