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Finding the Fourth Proportional to 158,471.88, 237,172.02 and 154,207.26

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Solution

The fourth proportional to 158,471.88, 237,172.02 and 154,207.26 is: 230,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,471.88 : 237,172.02 = 154,207.26 : x
  2. Step 2: Convert to fraction form
    158,471.88/237,172.02 = 154,207.26/x
  3. Step 3: Cross multiply
    158,471.88x = 237,172.02 × 154,207.26
  4. Step 4: Simplify right side
    158,471.88x = 36,573,647,352.87
  5. Step 5: Solve for x
    x = 36,573,647,352.87/158,471.88
  6. Step 6: Final answer
    x = 230,789.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.