Home / 131,552.92-197,379.09-78,999.04

Finding the Fourth Proportional to 131,552.92, 197,379.09 and 78,999.04

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Solution

The fourth proportional to 131,552.92, 197,379.09 and 78,999.04 is: 118,528.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,552.92 : 197,379.09 = 78,999.04 : x
  2. Step 2: Convert to fraction form
    131,552.92/197,379.09 = 78,999.04/x
  3. Step 3: Cross multiply
    131,552.92x = 197,379.09 × 78,999.04
  4. Step 4: Simplify right side
    131,552.92x = 15,592,758,626.07
  5. Step 5: Solve for x
    x = 15,592,758,626.07/131,552.92
  6. Step 6: Final answer
    x = 118,528.41

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1.5x scale

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.