Home / 140,505.28-193,896.86-75,974.07

Finding the Fourth Proportional to 140,505.28, 193,896.86 and 75,974.07

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Solution

The fourth proportional to 140,505.28, 193,896.86 and 75,974.07 is: 104,843.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,505.28 : 193,896.86 = 75,974.07 : x
  2. Step 2: Convert to fraction form
    140,505.28/193,896.86 = 75,974.07/x
  3. Step 3: Cross multiply
    140,505.28x = 193,896.86 × 75,974.07
  4. Step 4: Simplify right side
    140,505.28x = 14,731,133,614.42
  5. Step 5: Solve for x
    x = 14,731,133,614.42/140,505.28
  6. Step 6: Final answer
    x = 104,843.99

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1.5x scale

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.