Home / 67,545.08-101,322.68-20,156.43

Finding the Fourth Proportional to 67,545.08, 101,322.68 and 20,156.43

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Solution

The fourth proportional to 67,545.08, 101,322.68 and 20,156.43 is: 30,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,545.08 : 101,322.68 = 20,156.43 : x
  2. Step 2: Convert to fraction form
    67,545.08/101,322.68 = 20,156.43/x
  3. Step 3: Cross multiply
    67,545.08x = 101,322.68 × 20,156.43
  4. Step 4: Simplify right side
    67,545.08x = 2,042,303,506.83
  5. Step 5: Solve for x
    x = 2,042,303,506.83/67,545.08
  6. Step 6: Final answer
    x = 30,236.15

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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.