Home / 149,480.13-206,282.58-82,412.13

Finding the Fourth Proportional to 149,480.13, 206,282.58 and 82,412.13

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Solution

The fourth proportional to 149,480.13, 206,282.58 and 82,412.13 is: 113,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,480.13 : 206,282.58 = 82,412.13 : x
  2. Step 2: Convert to fraction form
    149,480.13/206,282.58 = 82,412.13/x
  3. Step 3: Cross multiply
    149,480.13x = 206,282.58 × 82,412.13
  4. Step 4: Simplify right side
    149,480.13x = 17,000,186,799.70
  5. Step 5: Solve for x
    x = 17,000,186,799.70/149,480.13
  6. Step 6: Final answer
    x = 113,728.74

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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.