Home / 213,464.78-294,587.30-117,977.66

Finding the Fourth Proportional to 213,464.78, 294,587.30 and 117,977.66

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Solution

The fourth proportional to 213,464.78, 294,587.30 and 117,977.66 is: 162,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,464.78 : 294,587.30 = 117,977.66 : x
  2. Step 2: Convert to fraction form
    213,464.78/294,587.30 = 117,977.66/x
  3. Step 3: Cross multiply
    213,464.78x = 294,587.30 × 117,977.66
  4. Step 4: Simplify right side
    213,464.78x = 34,754,719,729.83
  5. Step 5: Solve for x
    x = 34,754,719,729.83/213,464.78
  6. Step 6: Final answer
    x = 162,812.43

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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.