Home / 73,904.70-110,857.05-72,738.30

Finding the Fourth Proportional to 73,904.70, 110,857.05 and 72,738.30

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Solution

The fourth proportional to 73,904.70, 110,857.05 and 72,738.30 is: 109,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,904.70 : 110,857.05 = 72,738.30 : x
  2. Step 2: Convert to fraction form
    73,904.70/110,857.05 = 72,738.30/x
  3. Step 3: Cross multiply
    73,904.70x = 110,857.05 × 72,738.30
  4. Step 4: Simplify right side
    73,904.70x = 8,063,553,360.02
  5. Step 5: Solve for x
    x = 8,063,553,360.02/73,904.70
  6. Step 6: Final answer
    x = 109,107.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.