Home / 126,560.22-174,669.18-72,131.96

Finding the Fourth Proportional to 126,560.22, 174,669.18 and 72,131.96

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Solution

The fourth proportional to 126,560.22, 174,669.18 and 72,131.96 is: 99,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,560.22 : 174,669.18 = 72,131.96 : x
  2. Step 2: Convert to fraction form
    126,560.22/174,669.18 = 72,131.96/x
  3. Step 3: Cross multiply
    126,560.22x = 174,669.18 × 72,131.96
  4. Step 4: Simplify right side
    126,560.22x = 12,599,229,535.39
  5. Step 5: Solve for x
    x = 12,599,229,535.39/126,560.22
  6. Step 6: Final answer
    x = 99,551.26

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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.