Home / 219,363.75-329,045.67-79,122.36

Finding the Fourth Proportional to 219,363.75, 329,045.67 and 79,122.36

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Solution

The fourth proportional to 219,363.75, 329,045.67 and 79,122.36 is: 118,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,363.75 : 329,045.67 = 79,122.36 : x
  2. Step 2: Convert to fraction form
    219,363.75/329,045.67 = 79,122.36/x
  3. Step 3: Cross multiply
    219,363.75x = 329,045.67 × 79,122.36
  4. Step 4: Simplify right side
    219,363.75x = 26,034,869,958.18
  5. Step 5: Solve for x
    x = 26,034,869,958.18/219,363.75
  6. Step 6: Final answer
    x = 118,683.56

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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.