Home / 157,286.57-235,967.25-50,680.61

Finding the Fourth Proportional to 157,286.57, 235,967.25 and 50,680.61

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Solution

The fourth proportional to 157,286.57, 235,967.25 and 50,680.61 is: 76,032.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,286.57 : 235,967.25 = 50,680.61 : x
  2. Step 2: Convert to fraction form
    157,286.57/235,967.25 = 50,680.61/x
  3. Step 3: Cross multiply
    157,286.57x = 235,967.25 × 50,680.61
  4. Step 4: Simplify right side
    157,286.57x = 11,958,962,990.19
  5. Step 5: Solve for x
    x = 11,958,962,990.19/157,286.57
  6. Step 6: Final answer
    x = 76,032.96

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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.