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Finding the Fourth Proportional to 157,500.72, 217,346.22 and 85,882.14

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Solution

The fourth proportional to 157,500.72, 217,346.22 and 85,882.14 is: 118,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,500.72 : 217,346.22 = 85,882.14 : x
  2. Step 2: Convert to fraction form
    157,500.72/217,346.22 = 85,882.14/x
  3. Step 3: Cross multiply
    157,500.72x = 217,346.22 × 85,882.14
  4. Step 4: Simplify right side
    157,500.72x = 18,666,158,494.51
  5. Step 5: Solve for x
    x = 18,666,158,494.51/157,500.72
  6. Step 6: Final answer
    x = 118,514.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.