Home / 120,085.16-180,131.40-41,198.26

Finding the Fourth Proportional to 120,085.16, 180,131.40 and 41,198.26

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Solution

The fourth proportional to 120,085.16, 180,131.40 and 41,198.26 is: 61,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,085.16 : 180,131.40 = 41,198.26 : x
  2. Step 2: Convert to fraction form
    120,085.16/180,131.40 = 41,198.26/x
  3. Step 3: Cross multiply
    120,085.16x = 180,131.40 × 41,198.26
  4. Step 4: Simplify right side
    120,085.16x = 7,421,100,251.36
  5. Step 5: Solve for x
    x = 7,421,100,251.36/120,085.16
  6. Step 6: Final answer
    x = 61,798.65

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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.