Home / 231,877.05-347,947.10-98,743.43

Finding the Fourth Proportional to 231,877.05, 347,947.10 and 98,743.43

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Solution

The fourth proportional to 231,877.05, 347,947.10 and 98,743.43 is: 148,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,877.05 : 347,947.10 = 98,743.43 : x
  2. Step 2: Convert to fraction form
    231,877.05/347,947.10 = 98,743.43/x
  3. Step 3: Cross multiply
    231,877.05x = 347,947.10 × 98,743.43
  4. Step 4: Simplify right side
    231,877.05x = 34,357,487,879.10
  5. Step 5: Solve for x
    x = 34,357,487,879.10/231,877.05
  6. Step 6: Final answer
    x = 148,171.14

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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.