Home / 126,280.56-174,268.08-68,919.36

Finding the Fourth Proportional to 126,280.56, 174,268.08 and 68,919.36

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Solution

The fourth proportional to 126,280.56, 174,268.08 and 68,919.36 is: 95,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,280.56 : 174,268.08 = 68,919.36 : x
  2. Step 2: Convert to fraction form
    126,280.56/174,268.08 = 68,919.36/x
  3. Step 3: Cross multiply
    126,280.56x = 174,268.08 × 68,919.36
  4. Step 4: Simplify right side
    126,280.56x = 12,010,444,542.03
  5. Step 5: Solve for x
    x = 12,010,444,542.03/126,280.56
  6. Step 6: Final answer
    x = 95,109.21

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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.