Home / 199,890.30-299,800.89-75,232.38

Finding the Fourth Proportional to 199,890.30, 299,800.89 and 75,232.38

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Solution

The fourth proportional to 199,890.30, 299,800.89 and 75,232.38 is: 112,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,890.30 : 299,800.89 = 75,232.38 : x
  2. Step 2: Convert to fraction form
    199,890.30/299,800.89 = 75,232.38/x
  3. Step 3: Cross multiply
    199,890.30x = 299,800.89 × 75,232.38
  4. Step 4: Simplify right side
    199,890.30x = 22,554,734,480.82
  5. Step 5: Solve for x
    x = 22,554,734,480.82/199,890.30
  6. Step 6: Final answer
    x = 112,835.56

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1.5x scale

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.