Home / 228,202.20-342,011.70-109,618.20

Finding the Fourth Proportional to 228,202.20, 342,011.70 and 109,618.20

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Solution

The fourth proportional to 228,202.20, 342,011.70 and 109,618.20 is: 164,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,202.20 : 342,011.70 = 109,618.20 : x
  2. Step 2: Convert to fraction form
    228,202.20/342,011.70 = 109,618.20/x
  3. Step 3: Cross multiply
    228,202.20x = 342,011.70 × 109,618.20
  4. Step 4: Simplify right side
    228,202.20x = 37,490,706,932.94
  5. Step 5: Solve for x
    x = 37,490,706,932.94/228,202.20
  6. Step 6: Final answer
    x = 164,287.23

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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.