Home / 251,743.78-347,414.90-137,026.58

Finding the Fourth Proportional to 251,743.78, 347,414.90 and 137,026.58

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Solution

The fourth proportional to 251,743.78, 347,414.90 and 137,026.58 is: 189,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,743.78 : 347,414.90 = 137,026.58 : x
  2. Step 2: Convert to fraction form
    251,743.78/347,414.90 = 137,026.58/x
  3. Step 3: Cross multiply
    251,743.78x = 347,414.90 × 137,026.58
  4. Step 4: Simplify right side
    251,743.78x = 47,605,075,588.04
  5. Step 5: Solve for x
    x = 47,605,075,588.04/251,743.78
  6. Step 6: Final answer
    x = 189,101.30

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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.