Home / 113,744.24-170,636.61-38,872.70

Finding the Fourth Proportional to 113,744.24, 170,636.61 and 38,872.70

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Solution

The fourth proportional to 113,744.24, 170,636.61 and 38,872.70 is: 58,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,744.24 : 170,636.61 = 38,872.70 : x
  2. Step 2: Convert to fraction form
    113,744.24/170,636.61 = 38,872.70/x
  3. Step 3: Cross multiply
    113,744.24x = 170,636.61 × 38,872.70
  4. Step 4: Simplify right side
    113,744.24x = 6,633,105,749.55
  5. Step 5: Solve for x
    x = 6,633,105,749.55/113,744.24
  6. Step 6: Final answer
    x = 58,315.97

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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.