Home / 143,324.16-215,016.80-48,551.04

Finding the Fourth Proportional to 143,324.16, 215,016.80 and 48,551.04

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Solution

The fourth proportional to 143,324.16, 215,016.80 and 48,551.04 is: 72,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,324.16 : 215,016.80 = 48,551.04 : x
  2. Step 2: Convert to fraction form
    143,324.16/215,016.80 = 48,551.04/x
  3. Step 3: Cross multiply
    143,324.16x = 215,016.80 × 48,551.04
  4. Step 4: Simplify right side
    143,324.16x = 10,439,289,257.47
  5. Step 5: Solve for x
    x = 10,439,289,257.47/143,324.16
  6. Step 6: Final answer
    x = 72,836.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.