Home / 157,865.90-217,894.66-101,375.69

Finding the Fourth Proportional to 157,865.90, 217,894.66 and 101,375.69

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Solution

The fourth proportional to 157,865.90, 217,894.66 and 101,375.69 is: 139,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,865.90 : 217,894.66 = 101,375.69 : x
  2. Step 2: Convert to fraction form
    157,865.90/217,894.66 = 101,375.69/x
  3. Step 3: Cross multiply
    157,865.90x = 217,894.66 × 101,375.69
  4. Step 4: Simplify right side
    157,865.90x = 22,089,220,161.90
  5. Step 5: Solve for x
    x = 22,089,220,161.90/157,865.90
  6. Step 6: Final answer
    x = 139,923.95

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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.