Home / 210,221.22-290,106.30-114,729.96

Finding the Fourth Proportional to 210,221.22, 290,106.30 and 114,729.96

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Solution

The fourth proportional to 210,221.22, 290,106.30 and 114,729.96 is: 158,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,221.22 : 290,106.30 = 114,729.96 : x
  2. Step 2: Convert to fraction form
    210,221.22/290,106.30 = 114,729.96/x
  3. Step 3: Cross multiply
    210,221.22x = 290,106.30 × 114,729.96
  4. Step 4: Simplify right side
    210,221.22x = 33,283,884,194.75
  5. Step 5: Solve for x
    x = 33,283,884,194.75/210,221.22
  6. Step 6: Final answer
    x = 158,327.90

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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.