Home / 144,791.20-217,208.40-51,289.60

Finding the Fourth Proportional to 144,791.20, 217,208.40 and 51,289.60

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Solution

The fourth proportional to 144,791.20, 217,208.40 and 51,289.60 is: 76,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,791.20 : 217,208.40 = 51,289.60 : x
  2. Step 2: Convert to fraction form
    144,791.20/217,208.40 = 51,289.60/x
  3. Step 3: Cross multiply
    144,791.20x = 217,208.40 × 51,289.60
  4. Step 4: Simplify right side
    144,791.20x = 11,140,531,952.64
  5. Step 5: Solve for x
    x = 11,140,531,952.64/144,791.20
  6. Step 6: Final answer
    x = 76,942.05

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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.