Home / 180,078.98-270,287.96-91,396.13

Finding the Fourth Proportional to 180,078.98, 270,287.96 and 91,396.13

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Solution

The fourth proportional to 180,078.98, 270,287.96 and 91,396.13 is: 137,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,078.98 : 270,287.96 = 91,396.13 : x
  2. Step 2: Convert to fraction form
    180,078.98/270,287.96 = 91,396.13/x
  3. Step 3: Cross multiply
    180,078.98x = 270,287.96 × 91,396.13
  4. Step 4: Simplify right side
    180,078.98x = 24,703,271,721.17
  5. Step 5: Solve for x
    x = 24,703,271,721.17/180,078.98
  6. Step 6: Final answer
    x = 137,180.21

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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.