Home / 146,306.25-201,902.63-79,238.25

Finding the Fourth Proportional to 146,306.25, 201,902.63 and 79,238.25

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Solution

The fourth proportional to 146,306.25, 201,902.63 and 79,238.25 is: 109,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,306.25 : 201,902.63 = 79,238.25 : x
  2. Step 2: Convert to fraction form
    146,306.25/201,902.63 = 79,238.25/x
  3. Step 3: Cross multiply
    146,306.25x = 201,902.63 × 79,238.25
  4. Step 4: Simplify right side
    146,306.25x = 15,998,410,675.41
  5. Step 5: Solve for x
    x = 15,998,410,675.41/146,306.25
  6. Step 6: Final answer
    x = 109,348.79

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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.