Home / 199,929.60-275,898.36-109,285.68

Finding the Fourth Proportional to 199,929.60, 275,898.36 and 109,285.68

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Solution

The fourth proportional to 199,929.60, 275,898.36 and 109,285.68 is: 150,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,929.60 : 275,898.36 = 109,285.68 : x
  2. Step 2: Convert to fraction form
    199,929.60/275,898.36 = 109,285.68/x
  3. Step 3: Cross multiply
    199,929.60x = 275,898.36 × 109,285.68
  4. Step 4: Simplify right side
    199,929.60x = 30,151,739,883.48
  5. Step 5: Solve for x
    x = 30,151,739,883.48/199,929.60
  6. Step 6: Final answer
    x = 150,811.79

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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.