Home / 269,045.51-403,625.19-89,120.75

Finding the Fourth Proportional to 269,045.51, 403,625.19 and 89,120.75

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Solution

The fourth proportional to 269,045.51, 403,625.19 and 89,120.75 is: 133,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,045.51 : 403,625.19 = 89,120.75 : x
  2. Step 2: Convert to fraction form
    269,045.51/403,625.19 = 89,120.75/x
  3. Step 3: Cross multiply
    269,045.51x = 403,625.19 × 89,120.75
  4. Step 4: Simplify right side
    269,045.51x = 35,971,379,651.69
  5. Step 5: Solve for x
    x = 35,971,379,651.69/269,045.51
  6. Step 6: Final answer
    x = 133,699.98

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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.