Home / 126,871.02-175,100.66-73,145.54

Finding the Fourth Proportional to 126,871.02, 175,100.66 and 73,145.54

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Solution

The fourth proportional to 126,871.02, 175,100.66 and 73,145.54 is: 100,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,871.02 : 175,100.66 = 73,145.54 : x
  2. Step 2: Convert to fraction form
    126,871.02/175,100.66 = 73,145.54/x
  3. Step 3: Cross multiply
    126,871.02x = 175,100.66 × 73,145.54
  4. Step 4: Simplify right side
    126,871.02x = 12,807,832,330.06
  5. Step 5: Solve for x
    x = 12,807,832,330.06/126,871.02
  6. Step 6: Final answer
    x = 100,951.60

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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.