Home / 143,977.05-215,950.98-38,806.65

Finding the Fourth Proportional to 143,977.05, 215,950.98 and 38,806.65

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Solution

The fourth proportional to 143,977.05, 215,950.98 and 38,806.65 is: 58,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,977.05 : 215,950.98 = 38,806.65 : x
  2. Step 2: Convert to fraction form
    143,977.05/215,950.98 = 38,806.65/x
  3. Step 3: Cross multiply
    143,977.05x = 215,950.98 × 38,806.65
  4. Step 4: Simplify right side
    143,977.05x = 8,380,334,098.02
  5. Step 5: Solve for x
    x = 8,380,334,098.02/143,977.05
  6. Step 6: Final answer
    x = 58,206.04

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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.