Home / 251,901.36-347,627.16-138,732.48

Finding the Fourth Proportional to 251,901.36, 347,627.16 and 138,732.48

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Solution

The fourth proportional to 251,901.36, 347,627.16 and 138,732.48 is: 191,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,901.36 : 347,627.16 = 138,732.48 : x
  2. Step 2: Convert to fraction form
    251,901.36/347,627.16 = 138,732.48/x
  3. Step 3: Cross multiply
    251,901.36x = 347,627.16 × 138,732.48
  4. Step 4: Simplify right side
    251,901.36x = 48,227,178,022.16
  5. Step 5: Solve for x
    x = 48,227,178,022.16/251,901.36
  6. Step 6: Final answer
    x = 191,452.63

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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.