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Finding the Fourth Proportional to 169,679.82, 234,132.08 and 98,045.94

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Solution

The fourth proportional to 169,679.82, 234,132.08 and 98,045.94 is: 135,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,679.82 : 234,132.08 = 98,045.94 : x
  2. Step 2: Convert to fraction form
    169,679.82/234,132.08 = 98,045.94/x
  3. Step 3: Cross multiply
    169,679.82x = 234,132.08 × 98,045.94
  4. Step 4: Simplify right side
    169,679.82x = 22,955,699,377.53
  5. Step 5: Solve for x
    x = 22,955,699,377.53/169,679.82
  6. Step 6: Final answer
    x = 135,288.33

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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.