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Finding the Fourth Proportional to 167,384.90, 230,990.20 and 90,903.29

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Solution

The fourth proportional to 167,384.90, 230,990.20 and 90,903.29 is: 125,446.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,384.90 : 230,990.20 = 90,903.29 : x
  2. Step 2: Convert to fraction form
    167,384.90/230,990.20 = 90,903.29/x
  3. Step 3: Cross multiply
    167,384.90x = 230,990.20 × 90,903.29
  4. Step 4: Simplify right side
    167,384.90x = 20,997,767,755.55
  5. Step 5: Solve for x
    x = 20,997,767,755.55/167,384.90
  6. Step 6: Final answer
    x = 125,446.01

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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.