Home / 150,586.62-207,816.05-90,145.56

Finding the Fourth Proportional to 150,586.62, 207,816.05 and 90,145.56

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Solution

The fourth proportional to 150,586.62, 207,816.05 and 90,145.56 is: 124,404.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,586.62 : 207,816.05 = 90,145.56 : x
  2. Step 2: Convert to fraction form
    150,586.62/207,816.05 = 90,145.56/x
  3. Step 3: Cross multiply
    150,586.62x = 207,816.05 × 90,145.56
  4. Step 4: Simplify right side
    150,586.62x = 18,733,693,753.51
  5. Step 5: Solve for x
    x = 18,733,693,753.51/150,586.62
  6. Step 6: Final answer
    x = 124,404.77

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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.