Home / 99,529.20-148,929.30-73,285.20

Finding the Fourth Proportional to 99,529.20, 148,929.30 and 73,285.20

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Solution

The fourth proportional to 99,529.20, 148,929.30 and 73,285.20 is: 109,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,529.20 : 148,929.30 = 73,285.20 : x
  2. Step 2: Convert to fraction form
    99,529.20/148,929.30 = 73,285.20/x
  3. Step 3: Cross multiply
    99,529.20x = 148,929.30 × 73,285.20
  4. Step 4: Simplify right side
    99,529.20x = 10,914,313,536.36
  5. Step 5: Solve for x
    x = 10,914,313,536.36/99,529.20
  6. Step 6: Final answer
    x = 109,659.41

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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.