Home / 126,110.41-174,032.36-72,398.90

Finding the Fourth Proportional to 126,110.41, 174,032.36 and 72,398.90

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Solution

The fourth proportional to 126,110.41, 174,032.36 and 72,398.90 is: 99,910.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,110.41 : 174,032.36 = 72,398.90 : x
  2. Step 2: Convert to fraction form
    126,110.41/174,032.36 = 72,398.90/x
  3. Step 3: Cross multiply
    126,110.41x = 174,032.36 × 72,398.90
  4. Step 4: Simplify right side
    126,110.41x = 12,599,751,428.40
  5. Step 5: Solve for x
    x = 12,599,751,428.40/126,110.41
  6. Step 6: Final answer
    x = 99,910.48

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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.