Home / 195,598.20-293,287.95-90,286.86

Finding the Fourth Proportional to 195,598.20, 293,287.95 and 90,286.86

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Solution

The fourth proportional to 195,598.20, 293,287.95 and 90,286.86 is: 135,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,598.20 : 293,287.95 = 90,286.86 : x
  2. Step 2: Convert to fraction form
    195,598.20/293,287.95 = 90,286.86/x
  3. Step 3: Cross multiply
    195,598.20x = 293,287.95 × 90,286.86
  4. Step 4: Simplify right side
    195,598.20x = 26,480,048,081.34
  5. Step 5: Solve for x
    x = 26,480,048,081.34/195,598.20
  6. Step 6: Final answer
    x = 135,379.81

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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.