Home / 219,364.75-329,047.17-79,123.36

Finding the Fourth Proportional to 219,364.75, 329,047.17 and 79,123.36

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Solution

The fourth proportional to 219,364.75, 329,047.17 and 79,123.36 is: 118,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,364.75 : 329,047.17 = 79,123.36 : x
  2. Step 2: Convert to fraction form
    219,364.75/329,047.17 = 79,123.36/x
  3. Step 3: Cross multiply
    219,364.75x = 329,047.17 × 79,123.36
  4. Step 4: Simplify right side
    219,364.75x = 26,035,317,688.89
  5. Step 5: Solve for x
    x = 26,035,317,688.89/219,364.75
  6. Step 6: Final answer
    x = 118,685.06

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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.