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Finding the Fourth Proportional to 181,522.60, 272,283.90 and 102,790.60

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Solution

The fourth proportional to 181,522.60, 272,283.90 and 102,790.60 is: 154,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,522.60 : 272,283.90 = 102,790.60 : x
  2. Step 2: Convert to fraction form
    181,522.60/272,283.90 = 102,790.60/x
  3. Step 3: Cross multiply
    181,522.60x = 272,283.90 × 102,790.60
  4. Step 4: Simplify right side
    181,522.60x = 27,988,225,451.34
  5. Step 5: Solve for x
    x = 27,988,225,451.34/181,522.60
  6. Step 6: Final answer
    x = 154,185.90

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Why These Related Problems?

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