Home / 141,631.79-212,578.92-71,560.31

Finding the Fourth Proportional to 141,631.79, 212,578.92 and 71,560.31

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Solution

The fourth proportional to 141,631.79, 212,578.92 and 71,560.31 is: 107,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,631.79 : 212,578.92 = 71,560.31 : x
  2. Step 2: Convert to fraction form
    141,631.79/212,578.92 = 71,560.31/x
  3. Step 3: Cross multiply
    141,631.79x = 212,578.92 × 71,560.31
  4. Step 4: Simplify right side
    141,631.79x = 15,212,212,351.77
  5. Step 5: Solve for x
    x = 15,212,212,351.77/141,631.79
  6. Step 6: Final answer
    x = 107,406.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.