Home / 141,289.92-195,013.58-80,895.31

Finding the Fourth Proportional to 141,289.92, 195,013.58 and 80,895.31

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Solution

The fourth proportional to 141,289.92, 195,013.58 and 80,895.31 is: 111,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,289.92 : 195,013.58 = 80,895.31 : x
  2. Step 2: Convert to fraction form
    141,289.92/195,013.58 = 80,895.31/x
  3. Step 3: Cross multiply
    141,289.92x = 195,013.58 × 80,895.31
  4. Step 4: Simplify right side
    141,289.92x = 15,775,683,116.30
  5. Step 5: Solve for x
    x = 15,775,683,116.30/141,289.92
  6. Step 6: Final answer
    x = 111,654.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.