Home / 159,546.34-220,174.00-86,949.26

Finding the Fourth Proportional to 159,546.34, 220,174.00 and 86,949.26

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Solution

The fourth proportional to 159,546.34, 220,174.00 and 86,949.26 is: 119,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,546.34 : 220,174.00 = 86,949.26 : x
  2. Step 2: Convert to fraction form
    159,546.34/220,174.00 = 86,949.26/x
  3. Step 3: Cross multiply
    159,546.34x = 220,174.00 × 86,949.26
  4. Step 4: Simplify right side
    159,546.34x = 19,143,967,117.13
  5. Step 5: Solve for x
    x = 19,143,967,117.13/159,546.34
  6. Step 6: Final answer
    x = 119,990.01

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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.