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Finding the Fourth Proportional to 114,479.73, 158,059.96 and 71,476.02

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Solution

The fourth proportional to 114,479.73, 158,059.96 and 71,476.02 is: 98,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,479.73 : 158,059.96 = 71,476.02 : x
  2. Step 2: Convert to fraction form
    114,479.73/158,059.96 = 71,476.02/x
  3. Step 3: Cross multiply
    114,479.73x = 158,059.96 × 71,476.02
  4. Step 4: Simplify right side
    114,479.73x = 11,297,496,683.47
  5. Step 5: Solve for x
    x = 11,297,496,683.47/114,479.73
  6. Step 6: Final answer
    x = 98,685.56

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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.