Home / 131,299.38-196,879.95-89,758.26

Finding the Fourth Proportional to 131,299.38, 196,879.95 and 89,758.26

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Solution

The fourth proportional to 131,299.38, 196,879.95 and 89,758.26 is: 134,590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,299.38 : 196,879.95 = 89,758.26 : x
  2. Step 2: Convert to fraction form
    131,299.38/196,879.95 = 89,758.26/x
  3. Step 3: Cross multiply
    131,299.38x = 196,879.95 × 89,758.26
  4. Step 4: Simplify right side
    131,299.38x = 17,671,601,740.89
  5. Step 5: Solve for x
    x = 17,671,601,740.89/131,299.38
  6. Step 6: Final answer
    x = 134,590.14

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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.