Home / 126,118.24-174,034.74-72,395.80

Finding the Fourth Proportional to 126,118.24, 174,034.74 and 72,395.80

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Solution

The fourth proportional to 126,118.24, 174,034.74 and 72,395.80 is: 99,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,118.24 : 174,034.74 = 72,395.80 : x
  2. Step 2: Convert to fraction form
    126,118.24/174,034.74 = 72,395.80/x
  3. Step 3: Cross multiply
    126,118.24x = 174,034.74 × 72,395.80
  4. Step 4: Simplify right side
    126,118.24x = 12,599,384,230.09
  5. Step 5: Solve for x
    x = 12,599,384,230.09/126,118.24
  6. Step 6: Final answer
    x = 99,901.36

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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.