Home / 108,315.53-162,337.73-52,140.59

Finding the Fourth Proportional to 108,315.53, 162,337.73 and 52,140.59

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Solution

The fourth proportional to 108,315.53, 162,337.73 and 52,140.59 is: 78,145.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,315.53 : 162,337.73 = 52,140.59 : x
  2. Step 2: Convert to fraction form
    108,315.53/162,337.73 = 52,140.59/x
  3. Step 3: Cross multiply
    108,315.53x = 162,337.73 × 52,140.59
  4. Step 4: Simplify right side
    108,315.53x = 8,464,383,949.07
  5. Step 5: Solve for x
    x = 8,464,383,949.07/108,315.53
  6. Step 6: Final answer
    x = 78,145.62

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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.