Home / 189,778.18-284,672.31-83,107.03

Finding the Fourth Proportional to 189,778.18, 284,672.31 and 83,107.03

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Solution

The fourth proportional to 189,778.18, 284,672.31 and 83,107.03 is: 124,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,778.18 : 284,672.31 = 83,107.03 : x
  2. Step 2: Convert to fraction form
    189,778.18/284,672.31 = 83,107.03/x
  3. Step 3: Cross multiply
    189,778.18x = 284,672.31 × 83,107.03
  4. Step 4: Simplify right side
    189,778.18x = 23,658,270,207.34
  5. Step 5: Solve for x
    x = 23,658,270,207.34/189,778.18
  6. Step 6: Final answer
    x = 124,662.75

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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.