Home / 150,301.06-207,418.59-82,320.90

Finding the Fourth Proportional to 150,301.06, 207,418.59 and 82,320.90

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Solution

The fourth proportional to 150,301.06, 207,418.59 and 82,320.90 is: 113,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,301.06 : 207,418.59 = 82,320.90 : x
  2. Step 2: Convert to fraction form
    150,301.06/207,418.59 = 82,320.90/x
  3. Step 3: Cross multiply
    150,301.06x = 207,418.59 × 82,320.90
  4. Step 4: Simplify right side
    150,301.06x = 17,074,885,005.53
  5. Step 5: Solve for x
    x = 17,074,885,005.53/150,301.06
  6. Step 6: Final answer
    x = 113,604.55

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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.