Home / 251,972.82-347,722.52-138,795.57

Finding the Fourth Proportional to 251,972.82, 347,722.52 and 138,795.57

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Solution

The fourth proportional to 251,972.82, 347,722.52 and 138,795.57 is: 191,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,972.82 : 347,722.52 = 138,795.57 : x
  2. Step 2: Convert to fraction form
    251,972.82/347,722.52 = 138,795.57/x
  3. Step 3: Cross multiply
    251,972.82x = 347,722.52 × 138,795.57
  4. Step 4: Simplify right side
    251,972.82x = 48,262,344,671.26
  5. Step 5: Solve for x
    x = 48,262,344,671.26/251,972.82
  6. Step 6: Final answer
    x = 191,537.90

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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.