Home / 268,733.07-403,095.96-81,744.57

Finding the Fourth Proportional to 268,733.07, 403,095.96 and 81,744.57

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Solution

The fourth proportional to 268,733.07, 403,095.96 and 81,744.57 is: 122,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,733.07 : 403,095.96 = 81,744.57 : x
  2. Step 2: Convert to fraction form
    268,733.07/403,095.96 = 81,744.57/x
  3. Step 3: Cross multiply
    268,733.07x = 403,095.96 × 81,744.57
  4. Step 4: Simplify right side
    268,733.07x = 32,950,905,918.94
  5. Step 5: Solve for x
    x = 32,950,905,918.94/268,733.07
  6. Step 6: Final answer
    x = 122,615.75

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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.