Home / 251,972.33-347,721.84-138,795.08

Finding the Fourth Proportional to 251,972.33, 347,721.84 and 138,795.08

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Solution

The fourth proportional to 251,972.33, 347,721.84 and 138,795.08 is: 191,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,972.33 : 347,721.84 = 138,795.08 : x
  2. Step 2: Convert to fraction form
    251,972.33/347,721.84 = 138,795.08/x
  3. Step 3: Cross multiply
    251,972.33x = 347,721.84 × 138,795.08
  4. Step 4: Simplify right side
    251,972.33x = 48,262,080,916.50
  5. Step 5: Solve for x
    x = 48,262,080,916.50/251,972.33
  6. Step 6: Final answer
    x = 191,537.22

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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.