Home / 150,306.78-207,415.97-82,324.05

Finding the Fourth Proportional to 150,306.78, 207,415.97 and 82,324.05

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Solution

The fourth proportional to 150,306.78, 207,415.97 and 82,324.05 is: 113,603.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,306.78 : 207,415.97 = 82,324.05 : x
  2. Step 2: Convert to fraction form
    150,306.78/207,415.97 = 82,324.05/x
  3. Step 3: Cross multiply
    150,306.78x = 207,415.97 × 82,324.05
  4. Step 4: Simplify right side
    150,306.78x = 17,075,321,572.83
  5. Step 5: Solve for x
    x = 17,075,321,572.83/150,306.78
  6. Step 6: Final answer
    x = 113,603.14

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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.