Home / 210,456.15-290,435.72-114,964.41

Finding the Fourth Proportional to 210,456.15, 290,435.72 and 114,964.41

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Solution

The fourth proportional to 210,456.15, 290,435.72 and 114,964.41 is: 158,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,456.15 : 290,435.72 = 114,964.41 : x
  2. Step 2: Convert to fraction form
    210,456.15/290,435.72 = 114,964.41/x
  3. Step 3: Cross multiply
    210,456.15x = 290,435.72 × 114,964.41
  4. Step 4: Simplify right side
    210,456.15x = 33,389,771,192.73
  5. Step 5: Solve for x
    x = 33,389,771,192.73/210,456.15
  6. Step 6: Final answer
    x = 158,654.29

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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.