Home / 126,511.16-174,716.12-109,433.41

Finding the Fourth Proportional to 126,511.16, 174,716.12 and 109,433.41

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Solution

The fourth proportional to 126,511.16, 174,716.12 and 109,433.41 is: 151,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,511.16 : 174,716.12 = 109,433.41 : x
  2. Step 2: Convert to fraction form
    126,511.16/174,716.12 = 109,433.41/x
  3. Step 3: Cross multiply
    126,511.16x = 174,716.12 × 109,433.41
  4. Step 4: Simplify right side
    126,511.16x = 19,119,780,630.36
  5. Step 5: Solve for x
    x = 19,119,780,630.36/126,511.16
  6. Step 6: Final answer
    x = 151,131.18

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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.