Home / 157,445.79-217,266.94-89,453.31

Finding the Fourth Proportional to 157,445.79, 217,266.94 and 89,453.31

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Solution

The fourth proportional to 157,445.79, 217,266.94 and 89,453.31 is: 123,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,445.79 : 217,266.94 = 89,453.31 : x
  2. Step 2: Convert to fraction form
    157,445.79/217,266.94 = 89,453.31/x
  3. Step 3: Cross multiply
    157,445.79x = 217,266.94 × 89,453.31
  4. Step 4: Simplify right side
    157,445.79x = 19,435,246,936.57
  5. Step 5: Solve for x
    x = 19,435,246,936.57/157,445.79
  6. Step 6: Final answer
    x = 123,440.88

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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.