Home / 159,554.92-220,223.30-99,171.16

Finding the Fourth Proportional to 159,554.92, 220,223.30 and 99,171.16

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Solution

The fourth proportional to 159,554.92, 220,223.30 and 99,171.16 is: 136,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,554.92 : 220,223.30 = 99,171.16 : x
  2. Step 2: Convert to fraction form
    159,554.92/220,223.30 = 99,171.16/x
  3. Step 3: Cross multiply
    159,554.92x = 220,223.30 × 99,171.16
  4. Step 4: Simplify right side
    159,554.92x = 21,839,800,120.03
  5. Step 5: Solve for x
    x = 21,839,800,120.03/159,554.92
  6. Step 6: Final answer
    x = 136,879.52

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1.5x scale

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.