Home / 166,615.20-249,922.80-73,120.95

Finding the Fourth Proportional to 166,615.20, 249,922.80 and 73,120.95

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Solution

The fourth proportional to 166,615.20, 249,922.80 and 73,120.95 is: 109,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,615.20 : 249,922.80 = 73,120.95 : x
  2. Step 2: Convert to fraction form
    166,615.20/249,922.80 = 73,120.95/x
  3. Step 3: Cross multiply
    166,615.20x = 249,922.80 × 73,120.95
  4. Step 4: Simplify right side
    166,615.20x = 18,274,592,562.66
  5. Step 5: Solve for x
    x = 18,274,592,562.66/166,615.20
  6. Step 6: Final answer
    x = 109,681.43

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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.