Home / 126,287.56-174,280.98-69,704.20

Finding the Fourth Proportional to 126,287.56, 174,280.98 and 69,704.20

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Solution

The fourth proportional to 126,287.56, 174,280.98 and 69,704.20 is: 96,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,287.56 : 174,280.98 = 69,704.20 : x
  2. Step 2: Convert to fraction form
    126,287.56/174,280.98 = 69,704.20/x
  3. Step 3: Cross multiply
    126,287.56x = 174,280.98 × 69,704.20
  4. Step 4: Simplify right side
    126,287.56x = 12,148,116,286.12
  5. Step 5: Solve for x
    x = 12,148,116,286.12/126,287.56
  6. Step 6: Final answer
    x = 96,194.09

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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.