Home / 360,100.82-539,971.27-120,131.19

Finding the Fourth Proportional to 360,100.82, 539,971.27 and 120,131.19

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Solution

The fourth proportional to 360,100.82, 539,971.27 and 120,131.19 is: 180,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,100.82 : 539,971.27 = 120,131.19 : x
  2. Step 2: Convert to fraction form
    360,100.82/539,971.27 = 120,131.19/x
  3. Step 3: Cross multiply
    360,100.82x = 539,971.27 × 120,131.19
  4. Step 4: Simplify right side
    360,100.82x = 64,867,390,930.58
  5. Step 5: Solve for x
    x = 64,867,390,930.58/360,100.82
  6. Step 6: Final answer
    x = 180,136.75

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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.