Home / 183,987.21-253,909.55-103,414.49

Finding the Fourth Proportional to 183,987.21, 253,909.55 and 103,414.49

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Solution

The fourth proportional to 183,987.21, 253,909.55 and 103,414.49 is: 142,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,987.21 : 253,909.55 = 103,414.49 : x
  2. Step 2: Convert to fraction form
    183,987.21/253,909.55 = 103,414.49/x
  3. Step 3: Cross multiply
    183,987.21x = 253,909.55 × 103,414.49
  4. Step 4: Simplify right side
    183,987.21x = 26,257,926,560.53
  5. Step 5: Solve for x
    x = 26,257,926,560.53/183,987.21
  6. Step 6: Final answer
    x = 142,716.04

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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.