Home / 189,747.62-284,030.94-119,479.31

Finding the Fourth Proportional to 189,747.62, 284,030.94 and 119,479.31

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Solution

The fourth proportional to 189,747.62, 284,030.94 and 119,479.31 is: 178,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,747.62 : 284,030.94 = 119,479.31 : x
  2. Step 2: Convert to fraction form
    189,747.62/284,030.94 = 119,479.31/x
  3. Step 3: Cross multiply
    189,747.62x = 284,030.94 × 119,479.31
  4. Step 4: Simplify right side
    189,747.62x = 33,935,820,729.85
  5. Step 5: Solve for x
    x = 33,935,820,729.85/189,747.62
  6. Step 6: Final answer
    x = 178,847.15

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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.