Home / 150,442.12-207,555.16-90,014.48

Finding the Fourth Proportional to 150,442.12, 207,555.16 and 90,014.48

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Solution

The fourth proportional to 150,442.12, 207,555.16 and 90,014.48 is: 124,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,442.12 : 207,555.16 = 90,014.48 : x
  2. Step 2: Convert to fraction form
    150,442.12/207,555.16 = 90,014.48/x
  3. Step 3: Cross multiply
    150,442.12x = 207,555.16 × 90,014.48
  4. Step 4: Simplify right side
    150,442.12x = 18,682,969,798.72
  5. Step 5: Solve for x
    x = 18,682,969,798.72/150,442.12
  6. Step 6: Final answer
    x = 124,187.09

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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.