Home / 107,902.10-161,891.55-104,062.10

Finding the Fourth Proportional to 107,902.10, 161,891.55 and 104,062.10

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Solution

The fourth proportional to 107,902.10, 161,891.55 and 104,062.10 is: 156,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,902.10 : 161,891.55 = 104,062.10 : x
  2. Step 2: Convert to fraction form
    107,902.10/161,891.55 = 104,062.10/x
  3. Step 3: Cross multiply
    107,902.10x = 161,891.55 × 104,062.10
  4. Step 4: Simplify right side
    107,902.10x = 16,846,774,665.26
  5. Step 5: Solve for x
    x = 16,846,774,665.26/107,902.10
  6. Step 6: Final answer
    x = 156,130.18

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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.