Home / 144,614.20-217,439.70-121,804.60

Finding the Fourth Proportional to 144,614.20, 217,439.70 and 121,804.60

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Solution

The fourth proportional to 144,614.20, 217,439.70 and 121,804.60 is: 183,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,614.20 : 217,439.70 = 121,804.60 : x
  2. Step 2: Convert to fraction form
    144,614.20/217,439.70 = 121,804.60/x
  3. Step 3: Cross multiply
    144,614.20x = 217,439.70 × 121,804.60
  4. Step 4: Simplify right side
    144,614.20x = 26,485,155,682.62
  5. Step 5: Solve for x
    x = 26,485,155,682.62/144,614.20
  6. Step 6: Final answer
    x = 183,143.53

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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.