Home / 126,505.02-174,570.07-69,912.75

Finding the Fourth Proportional to 126,505.02, 174,570.07 and 69,912.75

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Solution

The fourth proportional to 126,505.02, 174,570.07 and 69,912.75 is: 96,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,505.02 : 174,570.07 = 69,912.75 : x
  2. Step 2: Convert to fraction form
    126,505.02/174,570.07 = 69,912.75/x
  3. Step 3: Cross multiply
    126,505.02x = 174,570.07 × 69,912.75
  4. Step 4: Simplify right side
    126,505.02x = 12,204,673,661.39
  5. Step 5: Solve for x
    x = 12,204,673,661.39/126,505.02
  6. Step 6: Final answer
    x = 96,475.81

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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.