Home / 210,208.47-290,093.85-114,721.32

Finding the Fourth Proportional to 210,208.47, 290,093.85 and 114,721.32

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Solution

The fourth proportional to 210,208.47, 290,093.85 and 114,721.32 is: 158,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,208.47 : 290,093.85 = 114,721.32 : x
  2. Step 2: Convert to fraction form
    210,208.47/290,093.85 = 114,721.32/x
  3. Step 3: Cross multiply
    210,208.47x = 290,093.85 × 114,721.32
  4. Step 4: Simplify right side
    210,208.47x = 33,279,949,395.88
  5. Step 5: Solve for x
    x = 33,279,949,395.88/210,208.47
  6. Step 6: Final answer
    x = 158,318.78

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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.