Home / 137,577.74-206,396.37-47,620.35

Finding the Fourth Proportional to 137,577.74, 206,396.37 and 47,620.35

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Solution

The fourth proportional to 137,577.74, 206,396.37 and 47,620.35 is: 71,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,577.74 : 206,396.37 = 47,620.35 : x
  2. Step 2: Convert to fraction form
    137,577.74/206,396.37 = 47,620.35/x
  3. Step 3: Cross multiply
    137,577.74x = 206,396.37 × 47,620.35
  4. Step 4: Simplify right side
    137,577.74x = 9,828,667,378.13
  5. Step 5: Solve for x
    x = 9,828,667,378.13/137,577.74
  6. Step 6: Final answer
    x = 71,440.83

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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.