Home / 166,738.20-249,937.20-82,368.60

Finding the Fourth Proportional to 166,738.20, 249,937.20 and 82,368.60

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Solution

The fourth proportional to 166,738.20, 249,937.20 and 82,368.60 is: 123,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,738.20 : 249,937.20 = 82,368.60 : x
  2. Step 2: Convert to fraction form
    166,738.20/249,937.20 = 82,368.60/x
  3. Step 3: Cross multiply
    166,738.20x = 249,937.20 × 82,368.60
  4. Step 4: Simplify right side
    166,738.20x = 20,586,977,251.92
  5. Step 5: Solve for x
    x = 20,586,977,251.92/166,738.20
  6. Step 6: Final answer
    x = 123,468.87

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1.5x scale

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.