Home / 243,868.20-336,551.18-136,431.82

Finding the Fourth Proportional to 243,868.20, 336,551.18 and 136,431.82

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Solution

The fourth proportional to 243,868.20, 336,551.18 and 136,431.82 is: 188,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,868.20 : 336,551.18 = 136,431.82 : x
  2. Step 2: Convert to fraction form
    243,868.20/336,551.18 = 136,431.82/x
  3. Step 3: Cross multiply
    243,868.20x = 336,551.18 × 136,431.82
  4. Step 4: Simplify right side
    243,868.20x = 45,916,290,010.55
  5. Step 5: Solve for x
    x = 45,916,290,010.55/243,868.20
  6. Step 6: Final answer
    x = 188,283.22

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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.