Home / 166,325.20-249,487.80-82,125.70

Finding the Fourth Proportional to 166,325.20, 249,487.80 and 82,125.70

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Solution

The fourth proportional to 166,325.20, 249,487.80 and 82,125.70 is: 123,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,325.20 : 249,487.80 = 82,125.70 : x
  2. Step 2: Convert to fraction form
    166,325.20/249,487.80 = 82,125.70/x
  3. Step 3: Cross multiply
    166,325.20x = 249,487.80 × 82,125.70
  4. Step 4: Simplify right side
    166,325.20x = 20,489,360,216.46
  5. Step 5: Solve for x
    x = 20,489,360,216.46/166,325.20
  6. Step 6: Final answer
    x = 123,188.55

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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.