Home / 157,958.03-217,981.76-89,974.98

Finding the Fourth Proportional to 157,958.03, 217,981.76 and 89,974.98

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Solution

The fourth proportional to 157,958.03, 217,981.76 and 89,974.98 is: 124,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,958.03 : 217,981.76 = 89,974.98 : x
  2. Step 2: Convert to fraction form
    157,958.03/217,981.76 = 89,974.98/x
  3. Step 3: Cross multiply
    157,958.03x = 217,981.76 × 89,974.98
  4. Step 4: Simplify right side
    157,958.03x = 19,612,904,496.36
  5. Step 5: Solve for x
    x = 19,612,904,496.36/157,958.03
  6. Step 6: Final answer
    x = 124,165.29

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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.