Home / 195,564.20-293,151.90-90,199.40

Finding the Fourth Proportional to 195,564.20, 293,151.90 and 90,199.40

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Solution

The fourth proportional to 195,564.20, 293,151.90 and 90,199.40 is: 135,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,564.20 : 293,151.90 = 90,199.40 : x
  2. Step 2: Convert to fraction form
    195,564.20/293,151.90 = 90,199.40/x
  3. Step 3: Cross multiply
    195,564.20x = 293,151.90 × 90,199.40
  4. Step 4: Simplify right side
    195,564.20x = 26,442,125,488.86
  5. Step 5: Solve for x
    x = 26,442,125,488.86/195,564.20
  6. Step 6: Final answer
    x = 135,209.44

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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.