Home / 243,731.25-336,346.29-136,300.28

Finding the Fourth Proportional to 243,731.25, 336,346.29 and 136,300.28

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Solution

The fourth proportional to 243,731.25, 336,346.29 and 136,300.28 is: 188,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,731.25 : 336,346.29 = 136,300.28 : x
  2. Step 2: Convert to fraction form
    243,731.25/336,346.29 = 136,300.28/x
  3. Step 3: Cross multiply
    243,731.25x = 336,346.29 × 136,300.28
  4. Step 4: Simplify right side
    243,731.25x = 45,844,091,822.23
  5. Step 5: Solve for x
    x = 45,844,091,822.23/243,731.25
  6. Step 6: Final answer
    x = 188,092.79

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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.