Home / 137,368.06-206,185.07-66,340.58

Finding the Fourth Proportional to 137,368.06, 206,185.07 and 66,340.58

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Solution

The fourth proportional to 137,368.06, 206,185.07 and 66,340.58 is: 99,575.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,368.06 : 206,185.07 = 66,340.58 : x
  2. Step 2: Convert to fraction form
    137,368.06/206,185.07 = 66,340.58/x
  3. Step 3: Cross multiply
    137,368.06x = 206,185.07 × 66,340.58
  4. Step 4: Simplify right side
    137,368.06x = 13,678,436,266.07
  5. Step 5: Solve for x
    x = 13,678,436,266.07/137,368.06
  6. Step 6: Final answer
    x = 99,575.09

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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.