Home / 137,629.18-206,394.24-47,647.45

Finding the Fourth Proportional to 137,629.18, 206,394.24 and 47,647.45

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Solution

The fourth proportional to 137,629.18, 206,394.24 and 47,647.45 is: 71,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,629.18 : 206,394.24 = 47,647.45 : x
  2. Step 2: Convert to fraction form
    137,629.18/206,394.24 = 47,647.45/x
  3. Step 3: Cross multiply
    137,629.18x = 206,394.24 × 47,647.45
  4. Step 4: Simplify right side
    137,629.18x = 9,834,159,230.69
  5. Step 5: Solve for x
    x = 9,834,159,230.69/137,629.18
  6. Step 6: Final answer
    x = 71,454.03

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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.