Home / 203,528.96-305,231.20-140,752.52

Finding the Fourth Proportional to 203,528.96, 305,231.20 and 140,752.52

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Solution

The fourth proportional to 203,528.96, 305,231.20 and 140,752.52 is: 211,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,528.96 : 305,231.20 = 140,752.52 : x
  2. Step 2: Convert to fraction form
    203,528.96/305,231.20 = 140,752.52/x
  3. Step 3: Cross multiply
    203,528.96x = 305,231.20 × 140,752.52
  4. Step 4: Simplify right side
    203,528.96x = 42,962,060,582.62
  5. Step 5: Solve for x
    x = 42,962,060,582.62/203,528.96
  6. Step 6: Final answer
    x = 211,085.74

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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.