Home / 99,231.60-148,847.40-61,906.80

Finding the Fourth Proportional to 99,231.60, 148,847.40 and 61,906.80

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Solution

The fourth proportional to 99,231.60, 148,847.40 and 61,906.80 is: 92,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,231.60 : 148,847.40 = 61,906.80 : x
  2. Step 2: Convert to fraction form
    99,231.60/148,847.40 = 61,906.80/x
  3. Step 3: Cross multiply
    99,231.60x = 148,847.40 × 61,906.80
  4. Step 4: Simplify right side
    99,231.60x = 9,214,666,222.32
  5. Step 5: Solve for x
    x = 9,214,666,222.32/99,231.60
  6. Step 6: Final answer
    x = 92,860.20

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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.