Home / 85,330.20-127,996.26-26,166.36

Finding the Fourth Proportional to 85,330.20, 127,996.26 and 26,166.36

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Solution

The fourth proportional to 85,330.20, 127,996.26 and 26,166.36 is: 39,249.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,330.20 : 127,996.26 = 26,166.36 : x
  2. Step 2: Convert to fraction form
    85,330.20/127,996.26 = 26,166.36/x
  3. Step 3: Cross multiply
    85,330.20x = 127,996.26 × 26,166.36
  4. Step 4: Simplify right side
    85,330.20x = 3,349,196,217.81
  5. Step 5: Solve for x
    x = 3,349,196,217.81/85,330.20
  6. Step 6: Final answer
    x = 39,249.83

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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.