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Finding the Fourth Proportional to 114,778.30, 158,348.70 and 66,371.32

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Solution

The fourth proportional to 114,778.30, 158,348.70 and 66,371.32 is: 91,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,778.30 : 158,348.70 = 66,371.32 : x
  2. Step 2: Convert to fraction form
    114,778.30/158,348.70 = 66,371.32/x
  3. Step 3: Cross multiply
    114,778.30x = 158,348.70 × 66,371.32
  4. Step 4: Simplify right side
    114,778.30x = 10,509,812,239.28
  5. Step 5: Solve for x
    x = 10,509,812,239.28/114,778.30
  6. Step 6: Final answer
    x = 91,566.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.