Home / 146,285.30-201,872.56-79,217.30

Finding the Fourth Proportional to 146,285.30, 201,872.56 and 79,217.30

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Solution

The fourth proportional to 146,285.30, 201,872.56 and 79,217.30 is: 109,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,285.30 : 201,872.56 = 79,217.30 : x
  2. Step 2: Convert to fraction form
    146,285.30/201,872.56 = 79,217.30/x
  3. Step 3: Cross multiply
    146,285.30x = 201,872.56 × 79,217.30
  4. Step 4: Simplify right side
    146,285.30x = 15,991,799,147.29
  5. Step 5: Solve for x
    x = 15,991,799,147.29/146,285.30
  6. Step 6: Final answer
    x = 109,319.25

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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.