Home / 138,184.74-206,199.36-123,291.26

Finding the Fourth Proportional to 138,184.74, 206,199.36 and 123,291.26

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Solution

The fourth proportional to 138,184.74, 206,199.36 and 123,291.26 is: 183,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,184.74 : 206,199.36 = 123,291.26 : x
  2. Step 2: Convert to fraction form
    138,184.74/206,199.36 = 123,291.26/x
  3. Step 3: Cross multiply
    138,184.74x = 206,199.36 × 123,291.26
  4. Step 4: Simplify right side
    138,184.74x = 25,422,578,905.59
  5. Step 5: Solve for x
    x = 25,422,578,905.59/138,184.74
  6. Step 6: Final answer
    x = 183,975.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.