Home / 143,209.26-214,844.87-54,464.45

Finding the Fourth Proportional to 143,209.26, 214,844.87 and 54,464.45

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Solution

The fourth proportional to 143,209.26, 214,844.87 and 54,464.45 is: 81,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,209.26 : 214,844.87 = 54,464.45 : x
  2. Step 2: Convert to fraction form
    143,209.26/214,844.87 = 54,464.45/x
  3. Step 3: Cross multiply
    143,209.26x = 214,844.87 × 54,464.45
  4. Step 4: Simplify right side
    143,209.26x = 11,701,406,333.32
  5. Step 5: Solve for x
    x = 11,701,406,333.32/143,209.26
  6. Step 6: Final answer
    x = 81,708.45

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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.