Home / 126,534.61-174,548.68-81,162.12

Finding the Fourth Proportional to 126,534.61, 174,548.68 and 81,162.12

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Solution

The fourth proportional to 126,534.61, 174,548.68 and 81,162.12 is: 111,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,534.61 : 174,548.68 = 81,162.12 : x
  2. Step 2: Convert to fraction form
    126,534.61/174,548.68 = 81,162.12/x
  3. Step 3: Cross multiply
    126,534.61x = 174,548.68 × 81,162.12
  4. Step 4: Simplify right side
    126,534.61x = 14,166,740,912.00
  5. Step 5: Solve for x
    x = 14,166,740,912.00/126,534.61
  6. Step 6: Final answer
    x = 111,959.41

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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.