Home / 146,168.12-219,247.42-61,905.80

Finding the Fourth Proportional to 146,168.12, 219,247.42 and 61,905.80

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Solution

The fourth proportional to 146,168.12, 219,247.42 and 61,905.80 is: 92,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,168.12 : 219,247.42 = 61,905.80 : x
  2. Step 2: Convert to fraction form
    146,168.12/219,247.42 = 61,905.80/x
  3. Step 3: Cross multiply
    146,168.12x = 219,247.42 × 61,905.80
  4. Step 4: Simplify right side
    146,168.12x = 13,572,686,933.04
  5. Step 5: Solve for x
    x = 13,572,686,933.04/146,168.12
  6. Step 6: Final answer
    x = 92,856.68

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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.