Home / 126,984.20-190,493.74-42,750.92

Finding the Fourth Proportional to 126,984.20, 190,493.74 and 42,750.92

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Solution

The fourth proportional to 126,984.20, 190,493.74 and 42,750.92 is: 64,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,984.20 : 190,493.74 = 42,750.92 : x
  2. Step 2: Convert to fraction form
    126,984.20/190,493.74 = 42,750.92/x
  3. Step 3: Cross multiply
    126,984.20x = 190,493.74 × 42,750.92
  4. Step 4: Simplify right side
    126,984.20x = 8,143,782,639.24
  5. Step 5: Solve for x
    x = 8,143,782,639.24/126,984.20
  6. Step 6: Final answer
    x = 64,132.25

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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.