Home / 144,895.20-217,359.04-130,012.64

Finding the Fourth Proportional to 144,895.20, 217,359.04 and 130,012.64

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Solution

The fourth proportional to 144,895.20, 217,359.04 and 130,012.64 is: 195,033.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,895.20 : 217,359.04 = 130,012.64 : x
  2. Step 2: Convert to fraction form
    144,895.20/217,359.04 = 130,012.64/x
  3. Step 3: Cross multiply
    144,895.20x = 217,359.04 × 130,012.64
  4. Step 4: Simplify right side
    144,895.20x = 28,259,422,618.27
  5. Step 5: Solve for x
    x = 28,259,422,618.27/144,895.20
  6. Step 6: Final answer
    x = 195,033.53

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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.