Home / 138,012.24-206,967.48-49,242

Finding the Fourth Proportional to 138,012.24, 206,967.48 and 49,242

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Solution

The fourth proportional to 138,012.24, 206,967.48 and 49,242 is: 73,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,012.24 : 206,967.48 = 49,242 : x
  2. Step 2: Convert to fraction form
    138,012.24/206,967.48 = 49,242/x
  3. Step 3: Cross multiply
    138,012.24x = 206,967.48 × 49,242
  4. Step 4: Simplify right side
    138,012.24x = 10,191,492,650.16
  5. Step 5: Solve for x
    x = 10,191,492,650.16/138,012.24
  6. Step 6: Final answer
    x = 73,844.85

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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.