Home / 113,786.74-170,683.76-38,903.86

Finding the Fourth Proportional to 113,786.74, 170,683.76 and 38,903.86

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Solution

The fourth proportional to 113,786.74, 170,683.76 and 38,903.86 is: 58,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,786.74 : 170,683.76 = 38,903.86 : x
  2. Step 2: Convert to fraction form
    113,786.74/170,683.76 = 38,903.86/x
  3. Step 3: Cross multiply
    113,786.74x = 170,683.76 × 38,903.86
  4. Step 4: Simplify right side
    113,786.74x = 6,640,257,103.31
  5. Step 5: Solve for x
    x = 6,640,257,103.31/113,786.74
  6. Step 6: Final answer
    x = 58,357.04

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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.