Home / 285,951.13-428,647.75-136,151.17

Finding the Fourth Proportional to 285,951.13, 428,647.75 and 136,151.17

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Solution

The fourth proportional to 285,951.13, 428,647.75 and 136,151.17 is: 204,093.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,951.13 : 428,647.75 = 136,151.17 : x
  2. Step 2: Convert to fraction form
    285,951.13/428,647.75 = 136,151.17/x
  3. Step 3: Cross multiply
    285,951.13x = 428,647.75 × 136,151.17
  4. Step 4: Simplify right side
    285,951.13x = 58,360,892,680.37
  5. Step 5: Solve for x
    x = 58,360,892,680.37/285,951.13
  6. Step 6: Final answer
    x = 204,093.94

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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.