Home / 131,451.70-197,246.40-60,395.80

Finding the Fourth Proportional to 131,451.70, 197,246.40 and 60,395.80

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Solution

The fourth proportional to 131,451.70, 197,246.40 and 60,395.80 is: 90,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,451.70 : 197,246.40 = 60,395.80 : x
  2. Step 2: Convert to fraction form
    131,451.70/197,246.40 = 60,395.80/x
  3. Step 3: Cross multiply
    131,451.70x = 197,246.40 × 60,395.80
  4. Step 4: Simplify right side
    131,451.70x = 11,912,854,125.12
  5. Step 5: Solve for x
    x = 11,912,854,125.12/131,451.70
  6. Step 6: Final answer
    x = 90,625.33

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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.