Home / 250,717.10-345,987.55-135,995.46

Finding the Fourth Proportional to 250,717.10, 345,987.55 and 135,995.46

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Solution

The fourth proportional to 250,717.10, 345,987.55 and 135,995.46 is: 187,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,717.10 : 345,987.55 = 135,995.46 : x
  2. Step 2: Convert to fraction form
    250,717.10/345,987.55 = 135,995.46/x
  3. Step 3: Cross multiply
    250,717.10x = 345,987.55 × 135,995.46
  4. Step 4: Simplify right side
    250,717.10x = 47,052,734,201.59
  5. Step 5: Solve for x
    x = 47,052,734,201.59/250,717.10
  6. Step 6: Final answer
    x = 187,672.62

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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.