Home / 252,530.78-348,552.12-145,163.10

Finding the Fourth Proportional to 252,530.78, 348,552.12 and 145,163.10

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Solution

The fourth proportional to 252,530.78, 348,552.12 and 145,163.10 is: 200,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,530.78 : 348,552.12 = 145,163.10 : x
  2. Step 2: Convert to fraction form
    252,530.78/348,552.12 = 145,163.10/x
  3. Step 3: Cross multiply
    252,530.78x = 348,552.12 × 145,163.10
  4. Step 4: Simplify right side
    252,530.78x = 50,596,906,250.77
  5. Step 5: Solve for x
    x = 50,596,906,250.77/252,530.78
  6. Step 6: Final answer
    x = 200,359.36

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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.