Home / 209,242.24-313,863.44-84,670.72

Finding the Fourth Proportional to 209,242.24, 313,863.44 and 84,670.72

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Solution

The fourth proportional to 209,242.24, 313,863.44 and 84,670.72 is: 127,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,242.24 : 313,863.44 = 84,670.72 : x
  2. Step 2: Convert to fraction form
    209,242.24/313,863.44 = 84,670.72/x
  3. Step 3: Cross multiply
    209,242.24x = 313,863.44 × 84,670.72
  4. Step 4: Simplify right side
    209,242.24x = 26,575,043,446.48
  5. Step 5: Solve for x
    x = 26,575,043,446.48/209,242.24
  6. Step 6: Final answer
    x = 127,006.11

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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.