Home / 195,599.20-293,289.45-90,287.86

Finding the Fourth Proportional to 195,599.20, 293,289.45 and 90,287.86

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Solution

The fourth proportional to 195,599.20, 293,289.45 and 90,287.86 is: 135,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,599.20 : 293,289.45 = 90,287.86 : x
  2. Step 2: Convert to fraction form
    195,599.20/293,289.45 = 90,287.86/x
  3. Step 3: Cross multiply
    195,599.20x = 293,289.45 × 90,287.86
  4. Step 4: Simplify right side
    195,599.20x = 26,480,476,801.08
  5. Step 5: Solve for x
    x = 26,480,476,801.08/195,599.20
  6. Step 6: Final answer
    x = 135,381.31

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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.