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Finding the Fourth Proportional to 111,703.54, 167,502.66 and 40,576.03

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Solution

The fourth proportional to 111,703.54, 167,502.66 and 40,576.03 is: 60,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,703.54 : 167,502.66 = 40,576.03 : x
  2. Step 2: Convert to fraction form
    111,703.54/167,502.66 = 40,576.03/x
  3. Step 3: Cross multiply
    111,703.54x = 167,502.66 × 40,576.03
  4. Step 4: Simplify right side
    111,703.54x = 6,796,592,595.70
  5. Step 5: Solve for x
    x = 6,796,592,595.70/111,703.54
  6. Step 6: Final answer
    x = 60,844.92

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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.