Home / 126,777.20-174,951.90-69,415.48

Finding the Fourth Proportional to 126,777.20, 174,951.90 and 69,415.48

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Solution

The fourth proportional to 126,777.20, 174,951.90 and 69,415.48 is: 95,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,777.20 : 174,951.90 = 69,415.48 : x
  2. Step 2: Convert to fraction form
    126,777.20/174,951.90 = 69,415.48/x
  3. Step 3: Cross multiply
    126,777.20x = 174,951.90 × 69,415.48
  4. Step 4: Simplify right side
    126,777.20x = 12,144,370,115.41
  5. Step 5: Solve for x
    x = 12,144,370,115.41/126,777.20
  6. Step 6: Final answer
    x = 95,793.01

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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.