Home / 219,942.12-329,913.06-79,700.52

Finding the Fourth Proportional to 219,942.12, 329,913.06 and 79,700.52

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Solution

The fourth proportional to 219,942.12, 329,913.06 and 79,700.52 is: 119,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,942.12 : 329,913.06 = 79,700.52 : x
  2. Step 2: Convert to fraction form
    219,942.12/329,913.06 = 79,700.52/x
  3. Step 3: Cross multiply
    219,942.12x = 329,913.06 × 79,700.52
  4. Step 4: Simplify right side
    219,942.12x = 26,294,242,436.79
  5. Step 5: Solve for x
    x = 26,294,242,436.79/219,942.12
  6. Step 6: Final answer
    x = 119,550.74

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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.