Home / 126,109.41-174,102.27-83,725.89

Finding the Fourth Proportional to 126,109.41, 174,102.27 and 83,725.89

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Solution

The fourth proportional to 126,109.41, 174,102.27 and 83,725.89 is: 115,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,109.41 : 174,102.27 = 83,725.89 : x
  2. Step 2: Convert to fraction form
    126,109.41/174,102.27 = 83,725.89/x
  3. Step 3: Cross multiply
    126,109.41x = 174,102.27 × 83,725.89
  4. Step 4: Simplify right side
    126,109.41x = 14,576,866,217.63
  5. Step 5: Solve for x
    x = 14,576,866,217.63/126,109.41
  6. Step 6: Final answer
    x = 115,589.05

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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.