Home / 108,239.04-162,361.34-51,299.65

Finding the Fourth Proportional to 108,239.04, 162,361.34 and 51,299.65

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Solution

The fourth proportional to 108,239.04, 162,361.34 and 51,299.65 is: 76,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,239.04 : 162,361.34 = 51,299.65 : x
  2. Step 2: Convert to fraction form
    108,239.04/162,361.34 = 51,299.65/x
  3. Step 3: Cross multiply
    108,239.04x = 162,361.34 × 51,299.65
  4. Step 4: Simplify right side
    108,239.04x = 8,329,079,915.53
  5. Step 5: Solve for x
    x = 8,329,079,915.53/108,239.04
  6. Step 6: Final answer
    x = 76,950.79

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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.