Home / 126,028.31-173,918.75-69,439.68

Finding the Fourth Proportional to 126,028.31, 173,918.75 and 69,439.68

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Solution

The fourth proportional to 126,028.31, 173,918.75 and 69,439.68 is: 95,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,028.31 : 173,918.75 = 69,439.68 : x
  2. Step 2: Convert to fraction form
    126,028.31/173,918.75 = 69,439.68/x
  3. Step 3: Cross multiply
    126,028.31x = 173,918.75 × 69,439.68
  4. Step 4: Simplify right side
    126,028.31x = 12,076,861,998.80
  5. Step 5: Solve for x
    x = 12,076,861,998.80/126,028.31
  6. Step 6: Final answer
    x = 95,826.58

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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.