Home / 242,837.92-335,149.20-142,276

Finding the Fourth Proportional to 242,837.92, 335,149.20 and 142,276

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Solution

The fourth proportional to 242,837.92, 335,149.20 and 142,276 is: 196,360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,837.92 : 335,149.20 = 142,276 : x
  2. Step 2: Convert to fraction form
    242,837.92/335,149.20 = 142,276/x
  3. Step 3: Cross multiply
    242,837.92x = 335,149.20 × 142,276
  4. Step 4: Simplify right side
    242,837.92x = 47,683,687,579.20
  5. Step 5: Solve for x
    x = 47,683,687,579.20/242,837.92
  6. Step 6: Final answer
    x = 196,360.14

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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.