Home / 135,799.26-203,717.12-51,590.85

Finding the Fourth Proportional to 135,799.26, 203,717.12 and 51,590.85

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Solution

The fourth proportional to 135,799.26, 203,717.12 and 51,590.85 is: 77,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,799.26 : 203,717.12 = 51,590.85 : x
  2. Step 2: Convert to fraction form
    135,799.26/203,717.12 = 51,590.85/x
  3. Step 3: Cross multiply
    135,799.26x = 203,717.12 × 51,590.85
  4. Step 4: Simplify right side
    135,799.26x = 10,509,939,122.40
  5. Step 5: Solve for x
    x = 10,509,939,122.40/135,799.26
  6. Step 6: Final answer
    x = 77,393.20

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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.