Home / 143,569.24-215,387.94-45,073.24

Finding the Fourth Proportional to 143,569.24, 215,387.94 and 45,073.24

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Solution

The fourth proportional to 143,569.24, 215,387.94 and 45,073.24 is: 67,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,569.24 : 215,387.94 = 45,073.24 : x
  2. Step 2: Convert to fraction form
    143,569.24/215,387.94 = 45,073.24/x
  3. Step 3: Cross multiply
    143,569.24x = 215,387.94 × 45,073.24
  4. Step 4: Simplify right side
    143,569.24x = 9,708,232,312.73
  5. Step 5: Solve for x
    x = 9,708,232,312.73/143,569.24
  6. Step 6: Final answer
    x = 67,620.56

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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.