Home / 113,387.20-170,098.80-38,514.40

Finding the Fourth Proportional to 113,387.20, 170,098.80 and 38,514.40

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Solution

The fourth proportional to 113,387.20, 170,098.80 and 38,514.40 is: 57,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,387.20 : 170,098.80 = 38,514.40 : x
  2. Step 2: Convert to fraction form
    113,387.20/170,098.80 = 38,514.40/x
  3. Step 3: Cross multiply
    113,387.20x = 170,098.80 × 38,514.40
  4. Step 4: Simplify right side
    113,387.20x = 6,551,253,222.72
  5. Step 5: Solve for x
    x = 6,551,253,222.72/113,387.20
  6. Step 6: Final answer
    x = 57,777.71

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1.5x scale

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.