Home / 146,375.28-201,998.04-79,306.80

Finding the Fourth Proportional to 146,375.28, 201,998.04 and 79,306.80

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Solution

The fourth proportional to 146,375.28, 201,998.04 and 79,306.80 is: 109,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,375.28 : 201,998.04 = 79,306.80 : x
  2. Step 2: Convert to fraction form
    146,375.28/201,998.04 = 79,306.80/x
  3. Step 3: Cross multiply
    146,375.28x = 201,998.04 × 79,306.80
  4. Step 4: Simplify right side
    146,375.28x = 16,019,818,158.67
  5. Step 5: Solve for x
    x = 16,019,818,158.67/146,375.28
  6. Step 6: Final answer
    x = 109,443.47

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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.