Home / 113,818.40-170,722.56-38,945.12

Finding the Fourth Proportional to 113,818.40, 170,722.56 and 38,945.12

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Solution

The fourth proportional to 113,818.40, 170,722.56 and 38,945.12 is: 58,415.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.40 : 170,722.56 = 38,945.12 : x
  2. Step 2: Convert to fraction form
    113,818.40/170,722.56 = 38,945.12/x
  3. Step 3: Cross multiply
    113,818.40x = 170,722.56 × 38,945.12
  4. Step 4: Simplify right side
    113,818.40x = 6,648,810,585.91
  5. Step 5: Solve for x
    x = 6,648,810,585.91/113,818.40
  6. Step 6: Final answer
    x = 58,415.96

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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.