Home / 166,180.80-249,271.20-99,825.60

Finding the Fourth Proportional to 166,180.80, 249,271.20 and 99,825.60

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Solution

The fourth proportional to 166,180.80, 249,271.20 and 99,825.60 is: 149,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,180.80 : 249,271.20 = 99,825.60 : x
  2. Step 2: Convert to fraction form
    166,180.80/249,271.20 = 99,825.60/x
  3. Step 3: Cross multiply
    166,180.80x = 249,271.20 × 99,825.60
  4. Step 4: Simplify right side
    166,180.80x = 24,883,647,102.72
  5. Step 5: Solve for x
    x = 24,883,647,102.72/166,180.80
  6. Step 6: Final answer
    x = 149,738.40

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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.