Home / 180,636.20-249,274.61-100,061.96

Finding the Fourth Proportional to 180,636.20, 249,274.61 and 100,061.96

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Solution

The fourth proportional to 180,636.20, 249,274.61 and 100,061.96 is: 138,083.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,636.20 : 249,274.61 = 100,061.96 : x
  2. Step 2: Convert to fraction form
    180,636.20/249,274.61 = 100,061.96/x
  3. Step 3: Cross multiply
    180,636.20x = 249,274.61 × 100,061.96
  4. Step 4: Simplify right side
    180,636.20x = 24,942,904,308.15
  5. Step 5: Solve for x
    x = 24,942,904,308.15/180,636.20
  6. Step 6: Final answer
    x = 138,083.65

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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.