Home / 213,135.80-294,127.43-117,642.52

Finding the Fourth Proportional to 213,135.80, 294,127.43 and 117,642.52

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Solution

The fourth proportional to 213,135.80, 294,127.43 and 117,642.52 is: 162,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,135.80 : 294,127.43 = 117,642.52 : x
  2. Step 2: Convert to fraction form
    213,135.80/294,127.43 = 117,642.52/x
  3. Step 3: Cross multiply
    213,135.80x = 294,127.43 × 117,642.52
  4. Step 4: Simplify right side
    213,135.80x = 34,601,890,742.79
  5. Step 5: Solve for x
    x = 34,601,890,742.79/213,135.80
  6. Step 6: Final answer
    x = 162,346.69

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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.