Home / 213,273.98-294,318.28-117,781.06

Finding the Fourth Proportional to 213,273.98, 294,318.28 and 117,781.06

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Solution

The fourth proportional to 213,273.98, 294,318.28 and 117,781.06 is: 162,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,273.98 : 294,318.28 = 117,781.06 : x
  2. Step 2: Convert to fraction form
    213,273.98/294,318.28 = 117,781.06/x
  3. Step 3: Cross multiply
    213,273.98x = 294,318.28 × 117,781.06
  4. Step 4: Simplify right side
    213,273.98x = 34,665,118,995.78
  5. Step 5: Solve for x
    x = 34,665,118,995.78/213,273.98
  6. Step 6: Final answer
    x = 162,537.97

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1.5x scale

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.