Home / 250,944.84-346,299.57-137,766.78

Finding the Fourth Proportional to 250,944.84, 346,299.57 and 137,766.78

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Solution

The fourth proportional to 250,944.84, 346,299.57 and 137,766.78 is: 190,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,944.84 : 346,299.57 = 137,766.78 : x
  2. Step 2: Convert to fraction form
    250,944.84/346,299.57 = 137,766.78/x
  3. Step 3: Cross multiply
    250,944.84x = 346,299.57 × 137,766.78
  4. Step 4: Simplify right side
    250,944.84x = 47,708,576,674.28
  5. Step 5: Solve for x
    x = 47,708,576,674.28/250,944.84
  6. Step 6: Final answer
    x = 190,115.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.