Home / 150,278.32-207,324-89,826.64

Finding the Fourth Proportional to 150,278.32, 207,324 and 89,826.64

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Solution

The fourth proportional to 150,278.32, 207,324 and 89,826.64 is: 123,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,278.32 : 207,324 = 89,826.64 : x
  2. Step 2: Convert to fraction form
    150,278.32/207,324 = 89,826.64/x
  3. Step 3: Cross multiply
    150,278.32x = 207,324 × 89,826.64
  4. Step 4: Simplify right side
    150,278.32x = 18,623,218,311.36
  5. Step 5: Solve for x
    x = 18,623,218,311.36/150,278.32
  6. Step 6: Final answer
    x = 123,924.85

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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.