Home / 150,585.30-207,814.23-90,144.25

Finding the Fourth Proportional to 150,585.30, 207,814.23 and 90,144.25

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Solution

The fourth proportional to 150,585.30, 207,814.23 and 90,144.25 is: 124,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,585.30 : 207,814.23 = 90,144.25 : x
  2. Step 2: Convert to fraction form
    150,585.30/207,814.23 = 90,144.25/x
  3. Step 3: Cross multiply
    150,585.30x = 207,814.23 × 90,144.25
  4. Step 4: Simplify right side
    150,585.30x = 18,733,257,902.68
  5. Step 5: Solve for x
    x = 18,733,257,902.68/150,585.30
  6. Step 6: Final answer
    x = 124,402.97

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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.