Home / 150,440.12-207,552.40-90,012.48

Finding the Fourth Proportional to 150,440.12, 207,552.40 and 90,012.48

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Solution

The fourth proportional to 150,440.12, 207,552.40 and 90,012.48 is: 124,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,440.12 : 207,552.40 = 90,012.48 : x
  2. Step 2: Convert to fraction form
    150,440.12/207,552.40 = 90,012.48/x
  3. Step 3: Cross multiply
    150,440.12x = 207,552.40 × 90,012.48
  4. Step 4: Simplify right side
    150,440.12x = 18,682,306,253.95
  5. Step 5: Solve for x
    x = 18,682,306,253.95/150,440.12
  6. Step 6: Final answer
    x = 124,184.33

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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.