Home / 85,179.64-127,769.48-26,012.12

Finding the Fourth Proportional to 85,179.64, 127,769.48 and 26,012.12

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Solution

The fourth proportional to 85,179.64, 127,769.48 and 26,012.12 is: 39,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,179.64 : 127,769.48 = 26,012.12 : x
  2. Step 2: Convert to fraction form
    85,179.64/127,769.48 = 26,012.12/x
  3. Step 3: Cross multiply
    85,179.64x = 127,769.48 × 26,012.12
  4. Step 4: Simplify right side
    85,179.64x = 3,323,555,046.10
  5. Step 5: Solve for x
    x = 3,323,555,046.10/85,179.64
  6. Step 6: Final answer
    x = 39,018.19

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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.