Home / 157,525.45-217,398.03-89,563.75

Finding the Fourth Proportional to 157,525.45, 217,398.03 and 89,563.75

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Solution

The fourth proportional to 157,525.45, 217,398.03 and 89,563.75 is: 123,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,525.45 : 217,398.03 = 89,563.75 : x
  2. Step 2: Convert to fraction form
    157,525.45/217,398.03 = 89,563.75/x
  3. Step 3: Cross multiply
    157,525.45x = 217,398.03 × 89,563.75
  4. Step 4: Simplify right side
    157,525.45x = 19,470,981,930.05
  5. Step 5: Solve for x
    x = 19,470,981,930.05/157,525.45
  6. Step 6: Final answer
    x = 123,605.31

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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.