Home / 231,991.18-347,945.05-105,602.02

Finding the Fourth Proportional to 231,991.18, 347,945.05 and 105,602.02

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Solution

The fourth proportional to 231,991.18, 347,945.05 and 105,602.02 is: 158,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,991.18 : 347,945.05 = 105,602.02 : x
  2. Step 2: Convert to fraction form
    231,991.18/347,945.05 = 105,602.02/x
  3. Step 3: Cross multiply
    231,991.18x = 347,945.05 × 105,602.02
  4. Step 4: Simplify right side
    231,991.18x = 36,743,699,865.00
  5. Step 5: Solve for x
    x = 36,743,699,865.00/231,991.18
  6. Step 6: Final answer
    x = 158,384.04

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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.