Home / 251,972.54-347,722.13-138,795.29

Finding the Fourth Proportional to 251,972.54, 347,722.13 and 138,795.29

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Solution

The fourth proportional to 251,972.54, 347,722.13 and 138,795.29 is: 191,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,972.54 : 347,722.13 = 138,795.29 : x
  2. Step 2: Convert to fraction form
    251,972.54/347,722.13 = 138,795.29/x
  3. Step 3: Cross multiply
    251,972.54x = 347,722.13 × 138,795.29
  4. Step 4: Simplify right side
    251,972.54x = 48,262,193,785.10
  5. Step 5: Solve for x
    x = 48,262,193,785.10/251,972.54
  6. Step 6: Final answer
    x = 191,537.51

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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.