Home / 219,343.74-329,015.60-79,102.36

Finding the Fourth Proportional to 219,343.74, 329,015.60 and 79,102.36

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Solution

The fourth proportional to 219,343.74, 329,015.60 and 79,102.36 is: 118,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,343.74 : 329,015.60 = 79,102.36 : x
  2. Step 2: Convert to fraction form
    219,343.74/329,015.60 = 79,102.36/x
  3. Step 3: Cross multiply
    219,343.74x = 329,015.60 × 79,102.36
  4. Step 4: Simplify right side
    219,343.74x = 26,025,910,436.82
  5. Step 5: Solve for x
    x = 26,025,910,436.82/219,343.74
  6. Step 6: Final answer
    x = 118,653.54

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1.5x scale

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.