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Finding the Fourth Proportional to 125,894.89, 188,842.34 and 51,001.08

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Solution

The fourth proportional to 125,894.89, 188,842.34 and 51,001.08 is: 76,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,894.89 : 188,842.34 = 51,001.08 : x
  2. Step 2: Convert to fraction form
    125,894.89/188,842.34 = 51,001.08/x
  3. Step 3: Cross multiply
    125,894.89x = 188,842.34 × 51,001.08
  4. Step 4: Simplify right side
    125,894.89x = 9,631,162,422.19
  5. Step 5: Solve for x
    x = 9,631,162,422.19/125,894.89
  6. Step 6: Final answer
    x = 76,501.61

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.