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Finding the Fourth Proportional to 114,502.80, 158,014 and 66,765.38

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Solution

The fourth proportional to 114,502.80, 158,014 and 66,765.38 is: 92,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,502.80 : 158,014 = 66,765.38 : x
  2. Step 2: Convert to fraction form
    114,502.80/158,014 = 66,765.38/x
  3. Step 3: Cross multiply
    114,502.80x = 158,014 × 66,765.38
  4. Step 4: Simplify right side
    114,502.80x = 10,549,864,755.32
  5. Step 5: Solve for x
    x = 10,549,864,755.32/114,502.80
  6. Step 6: Final answer
    x = 92,136.30

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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.