Home / 166,100.55-249,150.83-121,813.80

Finding the Fourth Proportional to 166,100.55, 249,150.83 and 121,813.80

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Solution

The fourth proportional to 166,100.55, 249,150.83 and 121,813.80 is: 182,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,100.55 : 249,150.83 = 121,813.80 : x
  2. Step 2: Convert to fraction form
    166,100.55/249,150.83 = 121,813.80/x
  3. Step 3: Cross multiply
    166,100.55x = 249,150.83 × 121,813.80
  4. Step 4: Simplify right side
    166,100.55x = 30,350,008,766.39
  5. Step 5: Solve for x
    x = 30,350,008,766.39/166,100.55
  6. Step 6: Final answer
    x = 182,720.70

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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.