Home / 143,822.64-215,806.72-96,977.04

Finding the Fourth Proportional to 143,822.64, 215,806.72 and 96,977.04

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Solution

The fourth proportional to 143,822.64, 215,806.72 and 96,977.04 is: 145,514.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,822.64 : 215,806.72 = 96,977.04 : x
  2. Step 2: Convert to fraction form
    143,822.64/215,806.72 = 96,977.04/x
  3. Step 3: Cross multiply
    143,822.64x = 215,806.72 × 96,977.04
  4. Step 4: Simplify right side
    143,822.64x = 20,928,296,917.71
  5. Step 5: Solve for x
    x = 20,928,296,917.71/143,822.64
  6. Step 6: Final answer
    x = 145,514.62

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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.