Home / 108,114.10-161,782.35-73,122.10

Finding the Fourth Proportional to 108,114.10, 161,782.35 and 73,122.10

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Solution

The fourth proportional to 108,114.10, 161,782.35 and 73,122.10 is: 109,420.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,114.10 : 161,782.35 = 73,122.10 : x
  2. Step 2: Convert to fraction form
    108,114.10/161,782.35 = 73,122.10/x
  3. Step 3: Cross multiply
    108,114.10x = 161,782.35 × 73,122.10
  4. Step 4: Simplify right side
    108,114.10x = 11,829,865,174.94
  5. Step 5: Solve for x
    x = 11,829,865,174.94/108,114.10
  6. Step 6: Final answer
    x = 109,420.19

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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.