Home / 210,208.64-290,085.44-114,716.96

Finding the Fourth Proportional to 210,208.64, 290,085.44 and 114,716.96

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Solution

The fourth proportional to 210,208.64, 290,085.44 and 114,716.96 is: 158,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,208.64 : 290,085.44 = 114,716.96 : x
  2. Step 2: Convert to fraction form
    210,208.64/290,085.44 = 114,716.96/x
  3. Step 3: Cross multiply
    210,208.64x = 290,085.44 × 114,716.96
  4. Step 4: Simplify right side
    210,208.64x = 33,277,719,817.06
  5. Step 5: Solve for x
    x = 33,277,719,817.06/210,208.64
  6. Step 6: Final answer
    x = 158,308.05

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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.