Home / 103,964.68-143,472.91-58,643.56

Finding the Fourth Proportional to 103,964.68, 143,472.91 and 58,643.56

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Solution

The fourth proportional to 103,964.68, 143,472.91 and 58,643.56 is: 80,929.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,964.68 : 143,472.91 = 58,643.56 : x
  2. Step 2: Convert to fraction form
    103,964.68/143,472.91 = 58,643.56/x
  3. Step 3: Cross multiply
    103,964.68x = 143,472.91 × 58,643.56
  4. Step 4: Simplify right side
    103,964.68x = 8,413,762,205.96
  5. Step 5: Solve for x
    x = 8,413,762,205.96/103,964.68
  6. Step 6: Final answer
    x = 80,929.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.