Home / 143,793.44-216,466.64-129,326.36

Finding the Fourth Proportional to 143,793.44, 216,466.64 and 129,326.36

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Solution

The fourth proportional to 143,793.44, 216,466.64 and 129,326.36 is: 194,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,793.44 : 216,466.64 = 129,326.36 : x
  2. Step 2: Convert to fraction form
    143,793.44/216,466.64 = 129,326.36/x
  3. Step 3: Cross multiply
    143,793.44x = 216,466.64 × 129,326.36
  4. Step 4: Simplify right side
    143,793.44x = 27,994,842,612.63
  5. Step 5: Solve for x
    x = 27,994,842,612.63/143,793.44
  6. Step 6: Final answer
    x = 194,687.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.