Home / 231,011.80-346,517.70-141,976.60

Finding the Fourth Proportional to 231,011.80, 346,517.70 and 141,976.60

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Solution

The fourth proportional to 231,011.80, 346,517.70 and 141,976.60 is: 212,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,011.80 : 346,517.70 = 141,976.60 : x
  2. Step 2: Convert to fraction form
    231,011.80/346,517.70 = 141,976.60/x
  3. Step 3: Cross multiply
    231,011.80x = 346,517.70 × 141,976.60
  4. Step 4: Simplify right side
    231,011.80x = 49,197,404,885.82
  5. Step 5: Solve for x
    x = 49,197,404,885.82/231,011.80
  6. Step 6: Final answer
    x = 212,964.90

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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.