Home / 225,501.57-311,188.23-123,529.05

Finding the Fourth Proportional to 225,501.57, 311,188.23 and 123,529.05

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Solution

The fourth proportional to 225,501.57, 311,188.23 and 123,529.05 is: 170,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,501.57 : 311,188.23 = 123,529.05 : x
  2. Step 2: Convert to fraction form
    225,501.57/311,188.23 = 123,529.05/x
  3. Step 3: Cross multiply
    225,501.57x = 311,188.23 × 123,529.05
  4. Step 4: Simplify right side
    225,501.57x = 38,440,786,423.08
  5. Step 5: Solve for x
    x = 38,440,786,423.08/225,501.57
  6. Step 6: Final answer
    x = 170,467.93

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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.