Home / 166,422.80-249,634.20-113,278.70

Finding the Fourth Proportional to 166,422.80, 249,634.20 and 113,278.70

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Solution

The fourth proportional to 166,422.80, 249,634.20 and 113,278.70 is: 169,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,422.80 : 249,634.20 = 113,278.70 : x
  2. Step 2: Convert to fraction form
    166,422.80/249,634.20 = 113,278.70/x
  3. Step 3: Cross multiply
    166,422.80x = 249,634.20 × 113,278.70
  4. Step 4: Simplify right side
    166,422.80x = 28,278,237,651.54
  5. Step 5: Solve for x
    x = 28,278,237,651.54/166,422.80
  6. Step 6: Final answer
    x = 169,918.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.