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Finding the Fourth Proportional to 187,048.75, 258,127.28 and 102,166.02

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Solution

The fourth proportional to 187,048.75, 258,127.28 and 102,166.02 is: 140,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,048.75 : 258,127.28 = 102,166.02 : x
  2. Step 2: Convert to fraction form
    187,048.75/258,127.28 = 102,166.02/x
  3. Step 3: Cross multiply
    187,048.75x = 258,127.28 × 102,166.02
  4. Step 4: Simplify right side
    187,048.75x = 26,371,836,851.03
  5. Step 5: Solve for x
    x = 26,371,836,851.03/187,048.75
  6. Step 6: Final answer
    x = 140,989.11

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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.