Home / 131,788.91-197,607.60-40,580.66

Finding the Fourth Proportional to 131,788.91, 197,607.60 and 40,580.66

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Solution

The fourth proportional to 131,788.91, 197,607.60 and 40,580.66 is: 60,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,788.91 : 197,607.60 = 40,580.66 : x
  2. Step 2: Convert to fraction form
    131,788.91/197,607.60 = 40,580.66/x
  3. Step 3: Cross multiply
    131,788.91x = 197,607.60 × 40,580.66
  4. Step 4: Simplify right side
    131,788.91x = 8,019,046,829.02
  5. Step 5: Solve for x
    x = 8,019,046,829.02/131,788.91
  6. Step 6: Final answer
    x = 60,847.66

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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.