Home / 126,273.96-174,257.46-69,688.80

Finding the Fourth Proportional to 126,273.96, 174,257.46 and 69,688.80

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Solution

The fourth proportional to 126,273.96, 174,257.46 and 69,688.80 is: 96,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,273.96 : 174,257.46 = 69,688.80 : x
  2. Step 2: Convert to fraction form
    126,273.96/174,257.46 = 69,688.80/x
  3. Step 3: Cross multiply
    126,273.96x = 174,257.46 × 69,688.80
  4. Step 4: Simplify right side
    126,273.96x = 12,143,793,278.45
  5. Step 5: Solve for x
    x = 12,143,793,278.45/126,273.96
  6. Step 6: Final answer
    x = 96,170.21

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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.