Home / 150,180.08-207,234.40-89,738.72

Finding the Fourth Proportional to 150,180.08, 207,234.40 and 89,738.72

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Solution

The fourth proportional to 150,180.08, 207,234.40 and 89,738.72 is: 123,831.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,180.08 : 207,234.40 = 89,738.72 : x
  2. Step 2: Convert to fraction form
    150,180.08/207,234.40 = 89,738.72/x
  3. Step 3: Cross multiply
    150,180.08x = 207,234.40 × 89,738.72
  4. Step 4: Simplify right side
    150,180.08x = 18,596,949,795.97
  5. Step 5: Solve for x
    x = 18,596,949,795.97/150,180.08
  6. Step 6: Final answer
    x = 123,831.00

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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.