Home / 144,977.20-217,903.20-125,731.60

Finding the Fourth Proportional to 144,977.20, 217,903.20 and 125,731.60

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Solution

The fourth proportional to 144,977.20, 217,903.20 and 125,731.60 is: 188,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,977.20 : 217,903.20 = 125,731.60 : x
  2. Step 2: Convert to fraction form
    144,977.20/217,903.20 = 125,731.60/x
  3. Step 3: Cross multiply
    144,977.20x = 217,903.20 × 125,731.60
  4. Step 4: Simplify right side
    144,977.20x = 27,397,317,981.12
  5. Step 5: Solve for x
    x = 27,397,317,981.12/144,977.20
  6. Step 6: Final answer
    x = 188,976.74

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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.