Home / 150,105.65-225,185.76-71,219.14

Finding the Fourth Proportional to 150,105.65, 225,185.76 and 71,219.14

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Solution

The fourth proportional to 150,105.65, 225,185.76 and 71,219.14 is: 106,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,105.65 : 225,185.76 = 71,219.14 : x
  2. Step 2: Convert to fraction form
    150,105.65/225,185.76 = 71,219.14/x
  3. Step 3: Cross multiply
    150,105.65x = 225,185.76 × 71,219.14
  4. Step 4: Simplify right side
    150,105.65x = 16,037,535,041.52
  5. Step 5: Solve for x
    x = 16,037,535,041.52/150,105.65
  6. Step 6: Final answer
    x = 106,841.65

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1.5x scale

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.