Home / 149,276.98-206,001.33-82,208.50

Finding the Fourth Proportional to 149,276.98, 206,001.33 and 82,208.50

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Solution

The fourth proportional to 149,276.98, 206,001.33 and 82,208.50 is: 113,447.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,276.98 : 206,001.33 = 82,208.50 : x
  2. Step 2: Convert to fraction form
    149,276.98/206,001.33 = 82,208.50/x
  3. Step 3: Cross multiply
    149,276.98x = 206,001.33 × 82,208.50
  4. Step 4: Simplify right side
    149,276.98x = 16,935,060,337.31
  5. Step 5: Solve for x
    x = 16,935,060,337.31/149,276.98
  6. Step 6: Final answer
    x = 113,447.23

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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.