Home / 159,014.58-219,441.96-87,394.71

Finding the Fourth Proportional to 159,014.58, 219,441.96 and 87,394.71

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Solution

The fourth proportional to 159,014.58, 219,441.96 and 87,394.71 is: 120,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,014.58 : 219,441.96 = 87,394.71 : x
  2. Step 2: Convert to fraction form
    159,014.58/219,441.96 = 87,394.71/x
  3. Step 3: Cross multiply
    159,014.58x = 219,441.96 × 87,394.71
  4. Step 4: Simplify right side
    159,014.58x = 19,178,067,278.94
  5. Step 5: Solve for x
    x = 19,178,067,278.94/159,014.58
  6. Step 6: Final answer
    x = 120,605.72

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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.