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Finding the Fourth Proportional to 243,537.93, 336,069.90 and 136,087.02

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Solution

The fourth proportional to 243,537.93, 336,069.90 and 136,087.02 is: 187,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,537.93 : 336,069.90 = 136,087.02 : x
  2. Step 2: Convert to fraction form
    243,537.93/336,069.90 = 136,087.02/x
  3. Step 3: Cross multiply
    243,537.93x = 336,069.90 × 136,087.02
  4. Step 4: Simplify right side
    243,537.93x = 45,734,751,202.70
  5. Step 5: Solve for x
    x = 45,734,751,202.70/243,537.93
  6. Step 6: Final answer
    x = 187,793.13

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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.