Home / 210,388.91-290,337.76-114,895.61

Finding the Fourth Proportional to 210,388.91, 290,337.76 and 114,895.61

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Solution

The fourth proportional to 210,388.91, 290,337.76 and 114,895.61 is: 158,556.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,388.91 : 290,337.76 = 114,895.61 : x
  2. Step 2: Convert to fraction form
    210,388.91/290,337.76 = 114,895.61/x
  3. Step 3: Cross multiply
    210,388.91x = 290,337.76 × 114,895.61
  4. Step 4: Simplify right side
    210,388.91x = 33,358,532,589.54
  5. Step 5: Solve for x
    x = 33,358,532,589.54/210,388.91
  6. Step 6: Final answer
    x = 158,556.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.