Home / 189,528.42-284,336.38-100,867.44

Finding the Fourth Proportional to 189,528.42, 284,336.38 and 100,867.44

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Solution

The fourth proportional to 189,528.42, 284,336.38 and 100,867.44 is: 151,324.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,528.42 : 284,336.38 = 100,867.44 : x
  2. Step 2: Convert to fraction form
    189,528.42/284,336.38 = 100,867.44/x
  3. Step 3: Cross multiply
    189,528.42x = 284,336.38 × 100,867.44
  4. Step 4: Simplify right side
    189,528.42x = 28,680,282,749.47
  5. Step 5: Solve for x
    x = 28,680,282,749.47/189,528.42
  6. Step 6: Final answer
    x = 151,324.44

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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.