Home / 206,038.71-284,300.94-120,011.85

Finding the Fourth Proportional to 206,038.71, 284,300.94 and 120,011.85

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Solution

The fourth proportional to 206,038.71, 284,300.94 and 120,011.85 is: 165,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,038.71 : 284,300.94 = 120,011.85 : x
  2. Step 2: Convert to fraction form
    206,038.71/284,300.94 = 120,011.85/x
  3. Step 3: Cross multiply
    206,038.71x = 284,300.94 × 120,011.85
  4. Step 4: Simplify right side
    206,038.71x = 34,119,481,766.14
  5. Step 5: Solve for x
    x = 34,119,481,766.14/206,038.71
  6. Step 6: Final answer
    x = 165,597.43

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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.