Home / 54,136.23-81,208.88-14,155.14

Finding the Fourth Proportional to 54,136.23, 81,208.88 and 14,155.14

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Solution

The fourth proportional to 54,136.23, 81,208.88 and 14,155.14 is: 21,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,136.23 : 81,208.88 = 14,155.14 : x
  2. Step 2: Convert to fraction form
    54,136.23/81,208.88 = 14,155.14/x
  3. Step 3: Cross multiply
    54,136.23x = 81,208.88 × 14,155.14
  4. Step 4: Simplify right side
    54,136.23x = 1,149,522,690.33
  5. Step 5: Solve for x
    x = 1,149,522,690.33/54,136.23
  6. Step 6: Final answer
    x = 21,233.89

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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.