Home / 150,434.42-225,792.56-79,409.77

Finding the Fourth Proportional to 150,434.42, 225,792.56 and 79,409.77

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Solution

The fourth proportional to 150,434.42, 225,792.56 and 79,409.77 is: 119,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,434.42 : 225,792.56 = 79,409.77 : x
  2. Step 2: Convert to fraction form
    150,434.42/225,792.56 = 79,409.77/x
  3. Step 3: Cross multiply
    150,434.42x = 225,792.56 × 79,409.77
  4. Step 4: Simplify right side
    150,434.42x = 17,930,134,891.35
  5. Step 5: Solve for x
    x = 17,930,134,891.35/150,434.42
  6. Step 6: Final answer
    x = 119,189.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.