Home / 210,205.20-290,084.22-114,713.90

Finding the Fourth Proportional to 210,205.20, 290,084.22 and 114,713.90

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Solution

The fourth proportional to 210,205.20, 290,084.22 and 114,713.90 is: 158,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,205.20 : 290,084.22 = 114,713.90 : x
  2. Step 2: Convert to fraction form
    210,205.20/290,084.22 = 114,713.90/x
  3. Step 3: Cross multiply
    210,205.20x = 290,084.22 × 114,713.90
  4. Step 4: Simplify right side
    210,205.20x = 33,276,692,204.66
  5. Step 5: Solve for x
    x = 33,276,692,204.66/210,205.20
  6. Step 6: Final answer
    x = 158,305.75

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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.