Home / 131,744.98-197,648.96-42,998.65

Finding the Fourth Proportional to 131,744.98, 197,648.96 and 42,998.65

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Solution

The fourth proportional to 131,744.98, 197,648.96 and 42,998.65 is: 64,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,744.98 : 197,648.96 = 42,998.65 : x
  2. Step 2: Convert to fraction form
    131,744.98/197,648.96 = 42,998.65/x
  3. Step 3: Cross multiply
    131,744.98x = 197,648.96 × 42,998.65
  4. Step 4: Simplify right side
    131,744.98x = 8,498,638,453.90
  5. Step 5: Solve for x
    x = 8,498,638,453.90/131,744.98
  6. Step 6: Final answer
    x = 64,508.25

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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.