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Finding the Fourth Proportional to 187,490, 281,235 and 56,162

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Solution

The fourth proportional to 187,490, 281,235 and 56,162 is: 84,243

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,490 : 281,235 = 56,162 : x
  2. Step 2: Convert to fraction form
    187,490/281,235 = 56,162/x
  3. Step 3: Cross multiply
    187,490x = 281,235 × 56,162
  4. Step 4: Simplify right side
    187,490x = 15,794,720,070
  5. Step 5: Solve for x
    x = 15,794,720,070/187,490
  6. Step 6: Final answer
    x = 84,243

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.