Home / 149,249.50-206,139.27-98,861.02

Finding the Fourth Proportional to 149,249.50, 206,139.27 and 98,861.02

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Solution

The fourth proportional to 149,249.50, 206,139.27 and 98,861.02 is: 136,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,249.50 : 206,139.27 = 98,861.02 : x
  2. Step 2: Convert to fraction form
    149,249.50/206,139.27 = 98,861.02/x
  3. Step 3: Cross multiply
    149,249.50x = 206,139.27 × 98,861.02
  4. Step 4: Simplify right side
    149,249.50x = 20,379,138,494.26
  5. Step 5: Solve for x
    x = 20,379,138,494.26/149,249.50
  6. Step 6: Final answer
    x = 136,544.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.