Home / 250,016.57-345,023.77-135,295.20

Finding the Fourth Proportional to 250,016.57, 345,023.77 and 135,295.20

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Solution

The fourth proportional to 250,016.57, 345,023.77 and 135,295.20 is: 186,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,016.57 : 345,023.77 = 135,295.20 : x
  2. Step 2: Convert to fraction form
    250,016.57/345,023.77 = 135,295.20/x
  3. Step 3: Cross multiply
    250,016.57x = 345,023.77 × 135,295.20
  4. Step 4: Simplify right side
    250,016.57x = 46,680,058,766.11
  5. Step 5: Solve for x
    x = 46,680,058,766.11/250,016.57
  6. Step 6: Final answer
    x = 186,707.86

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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.