Home / 157,716.18-217,629.18-89,741.79

Finding the Fourth Proportional to 157,716.18, 217,629.18 and 89,741.79

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Solution

The fourth proportional to 157,716.18, 217,629.18 and 89,741.79 is: 123,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,716.18 : 217,629.18 = 89,741.79 : x
  2. Step 2: Convert to fraction form
    157,716.18/217,629.18 = 89,741.79/x
  3. Step 3: Cross multiply
    157,716.18x = 217,629.18 × 89,741.79
  4. Step 4: Simplify right side
    157,716.18x = 19,530,432,169.43
  5. Step 5: Solve for x
    x = 19,530,432,169.43/157,716.18
  6. Step 6: Final answer
    x = 123,832.77

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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.