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Finding the Fourth Proportional to 243,599.66, 336,167.97 and 136,169.63

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Solution

The fourth proportional to 243,599.66, 336,167.97 and 136,169.63 is: 187,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,599.66 : 336,167.97 = 136,169.63 : x
  2. Step 2: Convert to fraction form
    243,599.66/336,167.97 = 136,169.63/x
  3. Step 3: Cross multiply
    243,599.66x = 336,167.97 × 136,169.63
  4. Step 4: Simplify right side
    243,599.66x = 45,775,868,092.75
  5. Step 5: Solve for x
    x = 45,775,868,092.75/243,599.66
  6. Step 6: Final answer
    x = 187,914.33

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1.5x scale

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.