Home / 144,772.20-217,158.30-69,949.80

Finding the Fourth Proportional to 144,772.20, 217,158.30 and 69,949.80

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Solution

The fourth proportional to 144,772.20, 217,158.30 and 69,949.80 is: 104,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,772.20 : 217,158.30 = 69,949.80 : x
  2. Step 2: Convert to fraction form
    144,772.20/217,158.30 = 69,949.80/x
  3. Step 3: Cross multiply
    144,772.20x = 217,158.30 × 69,949.80
  4. Step 4: Simplify right side
    144,772.20x = 15,190,179,653.34
  5. Step 5: Solve for x
    x = 15,190,179,653.34/144,772.20
  6. Step 6: Final answer
    x = 104,924.70

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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.