Home / 150,651.24-207,877.22-90,207.72

Finding the Fourth Proportional to 150,651.24, 207,877.22 and 90,207.72

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Solution

The fourth proportional to 150,651.24, 207,877.22 and 90,207.72 is: 124,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,651.24 : 207,877.22 = 90,207.72 : x
  2. Step 2: Convert to fraction form
    150,651.24/207,877.22 = 90,207.72/x
  3. Step 3: Cross multiply
    150,651.24x = 207,877.22 × 90,207.72
  4. Step 4: Simplify right side
    150,651.24x = 18,752,130,056.14
  5. Step 5: Solve for x
    x = 18,752,130,056.14/150,651.24
  6. Step 6: Final answer
    x = 124,473.78

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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.