Home / 150,386.85-207,535.91-82,402.47

Finding the Fourth Proportional to 150,386.85, 207,535.91 and 82,402.47

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Solution

The fourth proportional to 150,386.85, 207,535.91 and 82,402.47 is: 113,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,386.85 : 207,535.91 = 82,402.47 : x
  2. Step 2: Convert to fraction form
    150,386.85/207,535.91 = 82,402.47/x
  3. Step 3: Cross multiply
    150,386.85x = 207,535.91 × 82,402.47
  4. Step 4: Simplify right side
    150,386.85x = 17,101,471,185.69
  5. Step 5: Solve for x
    x = 17,101,471,185.69/150,386.85
  6. Step 6: Final answer
    x = 113,716.53

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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.