Home / 145,249.09-217,805.59-60,991.27

Finding the Fourth Proportional to 145,249.09, 217,805.59 and 60,991.27

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Solution

The fourth proportional to 145,249.09, 217,805.59 and 60,991.27 is: 91,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,249.09 : 217,805.59 = 60,991.27 : x
  2. Step 2: Convert to fraction form
    145,249.09/217,805.59 = 60,991.27/x
  3. Step 3: Cross multiply
    145,249.09x = 217,805.59 × 60,991.27
  4. Step 4: Simplify right side
    145,249.09x = 13,284,239,547.20
  5. Step 5: Solve for x
    x = 13,284,239,547.20/145,249.09
  6. Step 6: Final answer
    x = 91,458.33

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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.