Home / 222,139.80-333,428.40-109,946.70

Finding the Fourth Proportional to 222,139.80, 333,428.40 and 109,946.70

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Solution

The fourth proportional to 222,139.80, 333,428.40 and 109,946.70 is: 165,028.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,139.80 : 333,428.40 = 109,946.70 : x
  2. Step 2: Convert to fraction form
    222,139.80/333,428.40 = 109,946.70/x
  3. Step 3: Cross multiply
    222,139.80x = 333,428.40 × 109,946.70
  4. Step 4: Simplify right side
    222,139.80x = 36,659,352,266.28
  5. Step 5: Solve for x
    x = 36,659,352,266.28/222,139.80
  6. Step 6: Final answer
    x = 165,028.29

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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.