Home / 126,251.76-174,478.20-103,555.44

Finding the Fourth Proportional to 126,251.76, 174,478.20 and 103,555.44

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Solution

The fourth proportional to 126,251.76, 174,478.20 and 103,555.44 is: 143,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,251.76 : 174,478.20 = 103,555.44 : x
  2. Step 2: Convert to fraction form
    126,251.76/174,478.20 = 103,555.44/x
  3. Step 3: Cross multiply
    126,251.76x = 174,478.20 × 103,555.44
  4. Step 4: Simplify right side
    126,251.76x = 18,068,166,771.41
  5. Step 5: Solve for x
    x = 18,068,166,771.41/126,251.76
  6. Step 6: Final answer
    x = 143,112.20

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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.