Home / 137,352.75-206,162.31-66,325.56

Finding the Fourth Proportional to 137,352.75, 206,162.31 and 66,325.56

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Solution

The fourth proportional to 137,352.75, 206,162.31 and 66,325.56 is: 99,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,352.75 : 206,162.31 = 66,325.56 : x
  2. Step 2: Convert to fraction form
    137,352.75/206,162.31 = 66,325.56/x
  3. Step 3: Cross multiply
    137,352.75x = 206,162.31 × 66,325.56
  4. Step 4: Simplify right side
    137,352.75x = 13,673,830,661.64
  5. Step 5: Solve for x
    x = 13,673,830,661.64/137,352.75
  6. Step 6: Final answer
    x = 99,552.65

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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.