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Finding the Fourth Proportional to 243,523.46, 336,061.72 and 136,093.40

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Solution

The fourth proportional to 243,523.46, 336,061.72 and 136,093.40 is: 187,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,523.46 : 336,061.72 = 136,093.40 : x
  2. Step 2: Convert to fraction form
    243,523.46/336,061.72 = 136,093.40/x
  3. Step 3: Cross multiply
    243,523.46x = 336,061.72 × 136,093.40
  4. Step 4: Simplify right side
    243,523.46x = 45,735,780,064.11
  5. Step 5: Solve for x
    x = 45,735,780,064.11/243,523.46
  6. Step 6: Final answer
    x = 187,808.52

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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.