Home / 206,133.56-284,520.30-121,277.96

Finding the Fourth Proportional to 206,133.56, 284,520.30 and 121,277.96

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Solution

The fourth proportional to 206,133.56, 284,520.30 and 121,277.96 is: 167,396.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,133.56 : 284,520.30 = 121,277.96 : x
  2. Step 2: Convert to fraction form
    206,133.56/284,520.30 = 121,277.96/x
  3. Step 3: Cross multiply
    206,133.56x = 284,520.30 × 121,277.96
  4. Step 4: Simplify right side
    206,133.56x = 34,506,041,562.59
  5. Step 5: Solve for x
    x = 34,506,041,562.59/206,133.56
  6. Step 6: Final answer
    x = 167,396.52

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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.