Home / 242,351.21-334,433.85-138,911.24

Finding the Fourth Proportional to 242,351.21, 334,433.85 and 138,911.24

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Solution

The fourth proportional to 242,351.21, 334,433.85 and 138,911.24 is: 191,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,351.21 : 334,433.85 = 138,911.24 : x
  2. Step 2: Convert to fraction form
    242,351.21/334,433.85 = 138,911.24/x
  3. Step 3: Cross multiply
    242,351.21x = 334,433.85 × 138,911.24
  4. Step 4: Simplify right side
    242,351.21x = 46,456,619,129.30
  5. Step 5: Solve for x
    x = 46,456,619,129.30/242,351.21
  6. Step 6: Final answer
    x = 191,691.31

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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.