Home / 120,903.54-166,756.38-73,095.72

Finding the Fourth Proportional to 120,903.54, 166,756.38 and 73,095.72

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Solution

The fourth proportional to 120,903.54, 166,756.38 and 73,095.72 is: 100,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,903.54 : 166,756.38 = 73,095.72 : x
  2. Step 2: Convert to fraction form
    120,903.54/166,756.38 = 73,095.72/x
  3. Step 3: Cross multiply
    120,903.54x = 166,756.38 × 73,095.72
  4. Step 4: Simplify right side
    120,903.54x = 12,189,177,660.69
  5. Step 5: Solve for x
    x = 12,189,177,660.69/120,903.54
  6. Step 6: Final answer
    x = 100,817.38

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1.5x scale

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.