Home / 126,871.08-175,100.73-73,145.60

Finding the Fourth Proportional to 126,871.08, 175,100.73 and 73,145.60

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Solution

The fourth proportional to 126,871.08, 175,100.73 and 73,145.60 is: 100,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,871.08 : 175,100.73 = 73,145.60 : x
  2. Step 2: Convert to fraction form
    126,871.08/175,100.73 = 73,145.60/x
  3. Step 3: Cross multiply
    126,871.08x = 175,100.73 × 73,145.60
  4. Step 4: Simplify right side
    126,871.08x = 12,807,847,956.29
  5. Step 5: Solve for x
    x = 12,807,847,956.29/126,871.08
  6. Step 6: Final answer
    x = 100,951.67

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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.