Home / 54,157.25-81,250.36-16,715.81

Finding the Fourth Proportional to 54,157.25, 81,250.36 and 16,715.81

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Solution

The fourth proportional to 54,157.25, 81,250.36 and 16,715.81 is: 25,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,157.25 : 81,250.36 = 16,715.81 : x
  2. Step 2: Convert to fraction form
    54,157.25/81,250.36 = 16,715.81/x
  3. Step 3: Cross multiply
    54,157.25x = 81,250.36 × 16,715.81
  4. Step 4: Simplify right side
    54,157.25x = 1,358,165,173.94
  5. Step 5: Solve for x
    x = 1,358,165,173.94/54,157.25
  6. Step 6: Final answer
    x = 25,078.18

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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.