Home / 172,125.28-237,555.12-96,673.78

Finding the Fourth Proportional to 172,125.28, 237,555.12 and 96,673.78

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Solution

The fourth proportional to 172,125.28, 237,555.12 and 96,673.78 is: 133,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,125.28 : 237,555.12 = 96,673.78 : x
  2. Step 2: Convert to fraction form
    172,125.28/237,555.12 = 96,673.78/x
  3. Step 3: Cross multiply
    172,125.28x = 237,555.12 × 96,673.78
  4. Step 4: Simplify right side
    172,125.28x = 22,965,351,408.75
  5. Step 5: Solve for x
    x = 22,965,351,408.75/172,125.28
  6. Step 6: Final answer
    x = 133,422.30

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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.