Home / 210,414.61-290,367.67-114,921.69

Finding the Fourth Proportional to 210,414.61, 290,367.67 and 114,921.69

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Solution

The fourth proportional to 210,414.61, 290,367.67 and 114,921.69 is: 158,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,414.61 : 290,367.67 = 114,921.69 : x
  2. Step 2: Convert to fraction form
    210,414.61/290,367.67 = 114,921.69/x
  3. Step 3: Cross multiply
    210,414.61x = 290,367.67 × 114,921.69
  4. Step 4: Simplify right side
    210,414.61x = 33,369,543,357.76
  5. Step 5: Solve for x
    x = 33,369,543,357.76/210,414.61
  6. Step 6: Final answer
    x = 158,589.48

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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.