Home / 210,634.53-290,674.17-115,141.45

Finding the Fourth Proportional to 210,634.53, 290,674.17 and 115,141.45

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Solution

The fourth proportional to 210,634.53, 290,674.17 and 115,141.45 is: 158,894.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,634.53 : 290,674.17 = 115,141.45 : x
  2. Step 2: Convert to fraction form
    210,634.53/290,674.17 = 115,141.45/x
  3. Step 3: Cross multiply
    210,634.53x = 290,674.17 × 115,141.45
  4. Step 4: Simplify right side
    210,634.53x = 33,468,645,229.68
  5. Step 5: Solve for x
    x = 33,468,645,229.68/210,634.53
  6. Step 6: Final answer
    x = 158,894.39

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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.