Home / 126,256.38-189,377.12-47,364

Finding the Fourth Proportional to 126,256.38, 189,377.12 and 47,364

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Solution

The fourth proportional to 126,256.38, 189,377.12 and 47,364 is: 71,043.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,256.38 : 189,377.12 = 47,364 : x
  2. Step 2: Convert to fraction form
    126,256.38/189,377.12 = 47,364/x
  3. Step 3: Cross multiply
    126,256.38x = 189,377.12 × 47,364
  4. Step 4: Simplify right side
    126,256.38x = 8,969,657,911.68
  5. Step 5: Solve for x
    x = 8,969,657,911.68/126,256.38
  6. Step 6: Final answer
    x = 71,043.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.