Home / 180,743.94-249,419.79-100,169.46

Finding the Fourth Proportional to 180,743.94, 249,419.79 and 100,169.46

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Solution

The fourth proportional to 180,743.94, 249,419.79 and 100,169.46 is: 138,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,743.94 : 249,419.79 = 100,169.46 : x
  2. Step 2: Convert to fraction form
    180,743.94/249,419.79 = 100,169.46/x
  3. Step 3: Cross multiply
    180,743.94x = 249,419.79 × 100,169.46
  4. Step 4: Simplify right side
    180,743.94x = 24,984,245,677.61
  5. Step 5: Solve for x
    x = 24,984,245,677.61/180,743.94
  6. Step 6: Final answer
    x = 138,230.06

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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.