Home / 126,485.02-174,542.47-69,892.75

Finding the Fourth Proportional to 126,485.02, 174,542.47 and 69,892.75

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Solution

The fourth proportional to 126,485.02, 174,542.47 and 69,892.75 is: 96,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,485.02 : 174,542.47 = 69,892.75 : x
  2. Step 2: Convert to fraction form
    126,485.02/174,542.47 = 69,892.75/x
  3. Step 3: Cross multiply
    126,485.02x = 174,542.47 × 69,892.75
  4. Step 4: Simplify right side
    126,485.02x = 12,199,253,220.09
  5. Step 5: Solve for x
    x = 12,199,253,220.09/126,485.02
  6. Step 6: Final answer
    x = 96,448.21

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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.