Home / 126,600.36-174,752.45-72,906.77

Finding the Fourth Proportional to 126,600.36, 174,752.45 and 72,906.77

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Solution

The fourth proportional to 126,600.36, 174,752.45 and 72,906.77 is: 100,636.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,600.36 : 174,752.45 = 72,906.77 : x
  2. Step 2: Convert to fraction form
    126,600.36/174,752.45 = 72,906.77/x
  3. Step 3: Cross multiply
    126,600.36x = 174,752.45 × 72,906.77
  4. Step 4: Simplify right side
    126,600.36x = 12,740,635,440.79
  5. Step 5: Solve for x
    x = 12,740,635,440.79/126,600.36
  6. Step 6: Final answer
    x = 100,636.64

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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.