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Finding the Fourth Proportional to 95,251.70, 142,848.38 and 65,858.42

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Solution

The fourth proportional to 95,251.70, 142,848.38 and 65,858.42 is: 98,767.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,251.70 : 142,848.38 = 65,858.42 : x
  2. Step 2: Convert to fraction form
    95,251.70/142,848.38 = 65,858.42/x
  3. Step 3: Cross multiply
    95,251.70x = 142,848.38 × 65,858.42
  4. Step 4: Simplify right side
    95,251.70x = 9,407,768,606.36
  5. Step 5: Solve for x
    x = 9,407,768,606.36/95,251.70
  6. Step 6: Final answer
    x = 98,767.46

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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.