Home / 126,253.18-174,220.77-69,665.50

Finding the Fourth Proportional to 126,253.18, 174,220.77 and 69,665.50

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Solution

The fourth proportional to 126,253.18, 174,220.77 and 69,665.50 is: 96,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,253.18 : 174,220.77 = 69,665.50 : x
  2. Step 2: Convert to fraction form
    126,253.18/174,220.77 = 69,665.50/x
  3. Step 3: Cross multiply
    126,253.18x = 174,220.77 × 69,665.50
  4. Step 4: Simplify right side
    126,253.18x = 12,137,177,052.44
  5. Step 5: Solve for x
    x = 12,137,177,052.44/126,253.18
  6. Step 6: Final answer
    x = 96,133.63

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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.