Home / 126,734.50-174,874.02-73,009

Finding the Fourth Proportional to 126,734.50, 174,874.02 and 73,009

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Solution

The fourth proportional to 126,734.50, 174,874.02 and 73,009 is: 100,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,734.50 : 174,874.02 = 73,009 : x
  2. Step 2: Convert to fraction form
    126,734.50/174,874.02 = 73,009/x
  3. Step 3: Cross multiply
    126,734.50x = 174,874.02 × 73,009
  4. Step 4: Simplify right side
    126,734.50x = 12,767,377,326.18
  5. Step 5: Solve for x
    x = 12,767,377,326.18/126,734.50
  6. Step 6: Final answer
    x = 100,741.13

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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.