Home / 251,684.49-347,324.66-138,507.24

Finding the Fourth Proportional to 251,684.49, 347,324.66 and 138,507.24

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Solution

The fourth proportional to 251,684.49, 347,324.66 and 138,507.24 is: 191,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,684.49 : 347,324.66 = 138,507.24 : x
  2. Step 2: Convert to fraction form
    251,684.49/347,324.66 = 138,507.24/x
  3. Step 3: Cross multiply
    251,684.49x = 347,324.66 × 138,507.24
  4. Step 4: Simplify right side
    251,684.49x = 48,106,980,040.54
  5. Step 5: Solve for x
    x = 48,106,980,040.54/251,684.49
  6. Step 6: Final answer
    x = 191,140.03

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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.