Home / 126,239.75-174,233.39-75,255.77

Finding the Fourth Proportional to 126,239.75, 174,233.39 and 75,255.77

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Solution

The fourth proportional to 126,239.75, 174,233.39 and 75,255.77 is: 103,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,239.75 : 174,233.39 = 75,255.77 : x
  2. Step 2: Convert to fraction form
    126,239.75/174,233.39 = 75,255.77/x
  3. Step 3: Cross multiply
    126,239.75x = 174,233.39 × 75,255.77
  4. Step 4: Simplify right side
    126,239.75x = 13,112,068,267.59
  5. Step 5: Solve for x
    x = 13,112,068,267.59/126,239.75
  6. Step 6: Final answer
    x = 103,866.40

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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.