Home / 97,410.20-146,115.30-79,899.80

Finding the Fourth Proportional to 97,410.20, 146,115.30 and 79,899.80

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Solution

The fourth proportional to 97,410.20, 146,115.30 and 79,899.80 is: 119,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,410.20 : 146,115.30 = 79,899.80 : x
  2. Step 2: Convert to fraction form
    97,410.20/146,115.30 = 79,899.80/x
  3. Step 3: Cross multiply
    97,410.20x = 146,115.30 × 79,899.80
  4. Step 4: Simplify right side
    97,410.20x = 11,674,583,246.94
  5. Step 5: Solve for x
    x = 11,674,583,246.94/97,410.20
  6. Step 6: Final answer
    x = 119,849.70

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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.