Home / 180,255.72-270,399.38-47,135.46

Finding the Fourth Proportional to 180,255.72, 270,399.38 and 47,135.46

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Solution

The fourth proportional to 180,255.72, 270,399.38 and 47,135.46 is: 70,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,255.72 : 270,399.38 = 47,135.46 : x
  2. Step 2: Convert to fraction form
    180,255.72/270,399.38 = 47,135.46/x
  3. Step 3: Cross multiply
    180,255.72x = 270,399.38 × 47,135.46
  4. Step 4: Simplify right side
    180,255.72x = 12,745,398,924.34
  5. Step 5: Solve for x
    x = 12,745,398,924.34/180,255.72
  6. Step 6: Final answer
    x = 70,707.32

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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.