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Finding the Fourth Proportional to 136,354.50, 188,165.41 and 75,925.11

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Solution

The fourth proportional to 136,354.50, 188,165.41 and 75,925.11 is: 104,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,354.50 : 188,165.41 = 75,925.11 : x
  2. Step 2: Convert to fraction form
    136,354.50/188,165.41 = 75,925.11/x
  3. Step 3: Cross multiply
    136,354.50x = 188,165.41 × 75,925.11
  4. Step 4: Simplify right side
    136,354.50x = 14,286,479,968.25
  5. Step 5: Solve for x
    x = 14,286,479,968.25/136,354.50
  6. Step 6: Final answer
    x = 104,774.54

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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.