Home / 180,142.76-270,213.60-126,614.36

Finding the Fourth Proportional to 180,142.76, 270,213.60 and 126,614.36

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Solution

The fourth proportional to 180,142.76, 270,213.60 and 126,614.36 is: 189,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,142.76 : 270,213.60 = 126,614.36 : x
  2. Step 2: Convert to fraction form
    180,142.76/270,213.60 = 126,614.36/x
  3. Step 3: Cross multiply
    180,142.76x = 270,213.60 × 126,614.36
  4. Step 4: Simplify right side
    180,142.76x = 34,212,922,027.30
  5. Step 5: Solve for x
    x = 34,212,922,027.30/180,142.76
  6. Step 6: Final answer
    x = 189,921.16

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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.