Home / 219,399.03-329,098.59-79,157.61

Finding the Fourth Proportional to 219,399.03, 329,098.59 and 79,157.61

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Solution

The fourth proportional to 219,399.03, 329,098.59 and 79,157.61 is: 118,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,399.03 : 329,098.59 = 79,157.61 : x
  2. Step 2: Convert to fraction form
    219,399.03/329,098.59 = 79,157.61/x
  3. Step 3: Cross multiply
    219,399.03x = 329,098.59 × 79,157.61
  4. Step 4: Simplify right side
    219,399.03x = 26,050,657,838.77
  5. Step 5: Solve for x
    x = 26,050,657,838.77/219,399.03
  6. Step 6: Final answer
    x = 118,736.43

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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.