Home / 150,546.96-207,761.64-90,106.20

Finding the Fourth Proportional to 150,546.96, 207,761.64 and 90,106.20

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Solution

The fourth proportional to 150,546.96, 207,761.64 and 90,106.20 is: 124,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,546.96 : 207,761.64 = 90,106.20 : x
  2. Step 2: Convert to fraction form
    150,546.96/207,761.64 = 90,106.20/x
  3. Step 3: Cross multiply
    150,546.96x = 207,761.64 × 90,106.20
  4. Step 4: Simplify right side
    150,546.96x = 18,720,611,886.17
  5. Step 5: Solve for x
    x = 18,720,611,886.17/150,546.96
  6. Step 6: Final answer
    x = 124,350.65

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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.