Home / 158,985.30-219,351.87-95,299.86

Finding the Fourth Proportional to 158,985.30, 219,351.87 and 95,299.86

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Solution

The fourth proportional to 158,985.30, 219,351.87 and 95,299.86 is: 131,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,985.30 : 219,351.87 = 95,299.86 : x
  2. Step 2: Convert to fraction form
    158,985.30/219,351.87 = 95,299.86/x
  3. Step 3: Cross multiply
    158,985.30x = 219,351.87 × 95,299.86
  4. Step 4: Simplify right side
    158,985.30x = 20,904,202,501.74
  5. Step 5: Solve for x
    x = 20,904,202,501.74/158,985.30
  6. Step 6: Final answer
    x = 131,485.13

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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.