Home / 223,025.84-307,780.26-126,229.69

Finding the Fourth Proportional to 223,025.84, 307,780.26 and 126,229.69

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Solution

The fourth proportional to 223,025.84, 307,780.26 and 126,229.69 is: 174,199.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,025.84 : 307,780.26 = 126,229.69 : x
  2. Step 2: Convert to fraction form
    223,025.84/307,780.26 = 126,229.69/x
  3. Step 3: Cross multiply
    223,025.84x = 307,780.26 × 126,229.69
  4. Step 4: Simplify right side
    223,025.84x = 38,851,006,719.28
  5. Step 5: Solve for x
    x = 38,851,006,719.28/223,025.84
  6. Step 6: Final answer
    x = 174,199.58

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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.