Home / 157,849.32-217,831.78-90,793.96

Finding the Fourth Proportional to 157,849.32, 217,831.78 and 90,793.96

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Solution

The fourth proportional to 157,849.32, 217,831.78 and 90,793.96 is: 125,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,849.32 : 217,831.78 = 90,793.96 : x
  2. Step 2: Convert to fraction form
    157,849.32/217,831.78 = 90,793.96/x
  3. Step 3: Cross multiply
    157,849.32x = 217,831.78 × 90,793.96
  4. Step 4: Simplify right side
    157,849.32x = 19,777,809,920.05
  5. Step 5: Solve for x
    x = 19,777,809,920.05/157,849.32
  6. Step 6: Final answer
    x = 125,295.50

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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.