Home / 250,010.50-345,011.85-135,286.63

Finding the Fourth Proportional to 250,010.50, 345,011.85 and 135,286.63

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Solution

The fourth proportional to 250,010.50, 345,011.85 and 135,286.63 is: 186,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,010.50 : 345,011.85 = 135,286.63 : x
  2. Step 2: Convert to fraction form
    250,010.50/345,011.85 = 135,286.63/x
  3. Step 3: Cross multiply
    250,010.50x = 345,011.85 × 135,286.63
  4. Step 4: Simplify right side
    250,010.50x = 46,675,490,496.57
  5. Step 5: Solve for x
    x = 46,675,490,496.57/250,010.50
  6. Step 6: Final answer
    x = 186,694.12

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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.