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Finding the Fourth Proportional to 159,223.87, 219,732.34 and 87,604.10

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Solution

The fourth proportional to 159,223.87, 219,732.34 and 87,604.10 is: 120,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,223.87 : 219,732.34 = 87,604.10 : x
  2. Step 2: Convert to fraction form
    159,223.87/219,732.34 = 87,604.10/x
  3. Step 3: Cross multiply
    159,223.87x = 219,732.34 × 87,604.10
  4. Step 4: Simplify right side
    159,223.87x = 19,249,452,787.93
  5. Step 5: Solve for x
    x = 19,249,452,787.93/159,223.87
  6. Step 6: Final answer
    x = 120,895.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.