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Finding the Fourth Proportional to 131,954, 182,108.04 and 72,349.52

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Solution

The fourth proportional to 131,954, 182,108.04 and 72,349.52 is: 99,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,954 : 182,108.04 = 72,349.52 : x
  2. Step 2: Convert to fraction form
    131,954/182,108.04 = 72,349.52/x
  3. Step 3: Cross multiply
    131,954x = 182,108.04 × 72,349.52
  4. Step 4: Simplify right side
    131,954x = 13,175,429,282.14
  5. Step 5: Solve for x
    x = 13,175,429,282.14/131,954
  6. Step 6: Final answer
    x = 99,848.65

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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.