Home / 143,565.24-215,381.94-45,069.24

Finding the Fourth Proportional to 143,565.24, 215,381.94 and 45,069.24

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Solution

The fourth proportional to 143,565.24, 215,381.94 and 45,069.24 is: 67,614.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,565.24 : 215,381.94 = 45,069.24 : x
  2. Step 2: Convert to fraction form
    143,565.24/215,381.94 = 45,069.24/x
  3. Step 3: Cross multiply
    143,565.24x = 215,381.94 × 45,069.24
  4. Step 4: Simplify right side
    143,565.24x = 9,707,100,345.53
  5. Step 5: Solve for x
    x = 9,707,100,345.53/143,565.24
  6. Step 6: Final answer
    x = 67,614.56

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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.