Home / 157,741.62-217,680.48-89,757.06

Finding the Fourth Proportional to 157,741.62, 217,680.48 and 89,757.06

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Solution

The fourth proportional to 157,741.62, 217,680.48 and 89,757.06 is: 123,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,741.62 : 217,680.48 = 89,757.06 : x
  2. Step 2: Convert to fraction form
    157,741.62/217,680.48 = 89,757.06/x
  3. Step 3: Cross multiply
    157,741.62x = 217,680.48 × 89,757.06
  4. Step 4: Simplify right side
    157,741.62x = 19,538,359,904.19
  5. Step 5: Solve for x
    x = 19,538,359,904.19/157,741.62
  6. Step 6: Final answer
    x = 123,863.06

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1.5x scale

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.