Home / 243,976.09-336,686.95-136,546.12

Finding the Fourth Proportional to 243,976.09, 336,686.95 and 136,546.12

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Solution

The fourth proportional to 243,976.09, 336,686.95 and 136,546.12 is: 188,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,976.09 : 336,686.95 = 136,546.12 : x
  2. Step 2: Convert to fraction form
    243,976.09/336,686.95 = 136,546.12/x
  3. Step 3: Cross multiply
    243,976.09x = 336,686.95 × 136,546.12
  4. Step 4: Simplify right side
    243,976.09x = 45,973,295,335.06
  5. Step 5: Solve for x
    x = 45,973,295,335.06/243,976.09
  6. Step 6: Final answer
    x = 188,433.61

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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.