Home / 159,821.91-220,541.40-88,192.26

Finding the Fourth Proportional to 159,821.91, 220,541.40 and 88,192.26

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Solution

The fourth proportional to 159,821.91, 220,541.40 and 88,192.26 is: 121,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,821.91 : 220,541.40 = 88,192.26 : x
  2. Step 2: Convert to fraction form
    159,821.91/220,541.40 = 88,192.26/x
  3. Step 3: Cross multiply
    159,821.91x = 220,541.40 × 88,192.26
  4. Step 4: Simplify right side
    159,821.91x = 19,450,044,489.56
  5. Step 5: Solve for x
    x = 19,450,044,489.56/159,821.91
  6. Step 6: Final answer
    x = 121,698.24

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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.