Home / 216,079.56-324,095.05-82,866.35

Finding the Fourth Proportional to 216,079.56, 324,095.05 and 82,866.35

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Solution

The fourth proportional to 216,079.56, 324,095.05 and 82,866.35 is: 124,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,079.56 : 324,095.05 = 82,866.35 : x
  2. Step 2: Convert to fraction form
    216,079.56/324,095.05 = 82,866.35/x
  3. Step 3: Cross multiply
    216,079.56x = 324,095.05 × 82,866.35
  4. Step 4: Simplify right side
    216,079.56x = 26,856,573,846.57
  5. Step 5: Solve for x
    x = 26,856,573,846.57/216,079.56
  6. Step 6: Final answer
    x = 124,290.21

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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.