Home / 210,174.12-315,252.24-97,815.62

Finding the Fourth Proportional to 210,174.12, 315,252.24 and 97,815.62

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Solution

The fourth proportional to 210,174.12, 315,252.24 and 97,815.62 is: 146,719.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,174.12 : 315,252.24 = 97,815.62 : x
  2. Step 2: Convert to fraction form
    210,174.12/315,252.24 = 97,815.62/x
  3. Step 3: Cross multiply
    210,174.12x = 315,252.24 × 97,815.62
  4. Step 4: Simplify right side
    210,174.12x = 30,836,591,735.73
  5. Step 5: Solve for x
    x = 30,836,591,735.73/210,174.12
  6. Step 6: Final answer
    x = 146,719.26

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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.