Home / 126,470.40-174,548.16-76,197.12

Finding the Fourth Proportional to 126,470.40, 174,548.16 and 76,197.12

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Solution

The fourth proportional to 126,470.40, 174,548.16 and 76,197.12 is: 105,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,470.40 : 174,548.16 = 76,197.12 : x
  2. Step 2: Convert to fraction form
    126,470.40/174,548.16 = 76,197.12/x
  3. Step 3: Cross multiply
    126,470.40x = 174,548.16 × 76,197.12
  4. Step 4: Simplify right side
    126,470.40x = 13,300,067,093.30
  5. Step 5: Solve for x
    x = 13,300,067,093.30/126,470.40
  6. Step 6: Final answer
    x = 105,163.48

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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.