Home / 213,964.78-295,276.02-117,172.72

Finding the Fourth Proportional to 213,964.78, 295,276.02 and 117,172.72

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Solution

The fourth proportional to 213,964.78, 295,276.02 and 117,172.72 is: 161,700.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,964.78 : 295,276.02 = 117,172.72 : x
  2. Step 2: Convert to fraction form
    213,964.78/295,276.02 = 117,172.72/x
  3. Step 3: Cross multiply
    213,964.78x = 295,276.02 × 117,172.72
  4. Step 4: Simplify right side
    213,964.78x = 34,598,294,414.17
  5. Step 5: Solve for x
    x = 34,598,294,414.17/213,964.78
  6. Step 6: Final answer
    x = 161,700.89

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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.