Home / 137,278.59-206,051.04-66,251.22

Finding the Fourth Proportional to 137,278.59, 206,051.04 and 66,251.22

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Solution

The fourth proportional to 137,278.59, 206,051.04 and 66,251.22 is: 99,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,278.59 : 206,051.04 = 66,251.22 : x
  2. Step 2: Convert to fraction form
    137,278.59/206,051.04 = 66,251.22/x
  3. Step 3: Cross multiply
    137,278.59x = 206,051.04 × 66,251.22
  4. Step 4: Simplify right side
    137,278.59x = 13,651,132,782.27
  5. Step 5: Solve for x
    x = 13,651,132,782.27/137,278.59
  6. Step 6: Final answer
    x = 99,441.09

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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.