Home / 126,111.03-174,026.27-72,392.54

Finding the Fourth Proportional to 126,111.03, 174,026.27 and 72,392.54

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Solution

The fourth proportional to 126,111.03, 174,026.27 and 72,392.54 is: 99,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,111.03 : 174,026.27 = 72,392.54 : x
  2. Step 2: Convert to fraction form
    126,111.03/174,026.27 = 72,392.54/x
  3. Step 3: Cross multiply
    126,111.03x = 174,026.27 × 72,392.54
  4. Step 4: Simplify right side
    126,111.03x = 12,598,203,022.88
  5. Step 5: Solve for x
    x = 12,598,203,022.88/126,111.03
  6. Step 6: Final answer
    x = 99,897.71

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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.