Home / 131,616.36-197,375.40-47,353.68

Finding the Fourth Proportional to 131,616.36, 197,375.40 and 47,353.68

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Solution

The fourth proportional to 131,616.36, 197,375.40 and 47,353.68 is: 71,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,616.36 : 197,375.40 = 47,353.68 : x
  2. Step 2: Convert to fraction form
    131,616.36/197,375.40 = 47,353.68/x
  3. Step 3: Cross multiply
    131,616.36x = 197,375.40 × 47,353.68
  4. Step 4: Simplify right side
    131,616.36x = 9,346,451,531.47
  5. Step 5: Solve for x
    x = 9,346,451,531.47/131,616.36
  6. Step 6: Final answer
    x = 71,012.84

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1.5x scale

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.