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Finding the Fourth Proportional to 157,451.89, 217,272.72 and 88,551.67

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Solution

The fourth proportional to 157,451.89, 217,272.72 and 88,551.67 is: 122,195.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,451.89 : 217,272.72 = 88,551.67 : x
  2. Step 2: Convert to fraction form
    157,451.89/217,272.72 = 88,551.67/x
  3. Step 3: Cross multiply
    157,451.89x = 217,272.72 × 88,551.67
  4. Step 4: Simplify right side
    157,451.89x = 19,239,862,201.44
  5. Step 5: Solve for x
    x = 19,239,862,201.44/157,451.89
  6. Step 6: Final answer
    x = 122,195.18

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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.