Home / 79,431.22-119,161.50-26,126.20

Finding the Fourth Proportional to 79,431.22, 119,161.50 and 26,126.20

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Solution

The fourth proportional to 79,431.22, 119,161.50 and 26,126.20 is: 39,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,431.22 : 119,161.50 = 26,126.20 : x
  2. Step 2: Convert to fraction form
    79,431.22/119,161.50 = 26,126.20/x
  3. Step 3: Cross multiply
    79,431.22x = 119,161.50 × 26,126.20
  4. Step 4: Simplify right side
    79,431.22x = 3,113,237,181.30
  5. Step 5: Solve for x
    x = 3,113,237,181.30/79,431.22
  6. Step 6: Final answer
    x = 39,194.13

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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.