Home / 99,210.82-148,914.24-51,872.80

Finding the Fourth Proportional to 99,210.82, 148,914.24 and 51,872.80

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Solution

The fourth proportional to 99,210.82, 148,914.24 and 51,872.80 is: 77,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,210.82 : 148,914.24 = 51,872.80 : x
  2. Step 2: Convert to fraction form
    99,210.82/148,914.24 = 51,872.80/x
  3. Step 3: Cross multiply
    99,210.82x = 148,914.24 × 51,872.80
  4. Step 4: Simplify right side
    99,210.82x = 7,724,598,588.67
  5. Step 5: Solve for x
    x = 7,724,598,588.67/99,210.82
  6. Step 6: Final answer
    x = 77,860.44

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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.