Home / 283,629.60-425,443.95-131,743.62

Finding the Fourth Proportional to 283,629.60, 425,443.95 and 131,743.62

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Solution

The fourth proportional to 283,629.60, 425,443.95 and 131,743.62 is: 197,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,629.60 : 425,443.95 = 131,743.62 : x
  2. Step 2: Convert to fraction form
    283,629.60/425,443.95 = 131,743.62/x
  3. Step 3: Cross multiply
    283,629.60x = 425,443.95 × 131,743.62
  4. Step 4: Simplify right side
    283,629.60x = 56,049,526,080.10
  5. Step 5: Solve for x
    x = 56,049,526,080.10/283,629.60
  6. Step 6: Final answer
    x = 197,615.22

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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.