Home / 166,739.20-249,938.70-82,369.60

Finding the Fourth Proportional to 166,739.20, 249,938.70 and 82,369.60

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Solution

The fourth proportional to 166,739.20, 249,938.70 and 82,369.60 is: 123,470.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,739.20 : 249,938.70 = 82,369.60 : x
  2. Step 2: Convert to fraction form
    166,739.20/249,938.70 = 82,369.60/x
  3. Step 3: Cross multiply
    166,739.20x = 249,938.70 × 82,369.60
  4. Step 4: Simplify right side
    166,739.20x = 20,587,350,743.52
  5. Step 5: Solve for x
    x = 20,587,350,743.52/166,739.20
  6. Step 6: Final answer
    x = 123,470.37

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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.