Home / 225,576.48-311,154.72-145,108.96

Finding the Fourth Proportional to 225,576.48, 311,154.72 and 145,108.96

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Solution

The fourth proportional to 225,576.48, 311,154.72 and 145,108.96 is: 200,159.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,576.48 : 311,154.72 = 145,108.96 : x
  2. Step 2: Convert to fraction form
    225,576.48/311,154.72 = 145,108.96/x
  3. Step 3: Cross multiply
    225,576.48x = 311,154.72 × 145,108.96
  4. Step 4: Simplify right side
    225,576.48x = 45,151,337,818.29
  5. Step 5: Solve for x
    x = 45,151,337,818.29/225,576.48
  6. Step 6: Final answer
    x = 200,159.78

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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.