Home / 107,628.39-161,442.72-51,455.30

Finding the Fourth Proportional to 107,628.39, 161,442.72 and 51,455.30

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Solution

The fourth proportional to 107,628.39, 161,442.72 and 51,455.30 is: 77,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,628.39 : 161,442.72 = 51,455.30 : x
  2. Step 2: Convert to fraction form
    107,628.39/161,442.72 = 51,455.30/x
  3. Step 3: Cross multiply
    107,628.39x = 161,442.72 × 51,455.30
  4. Step 4: Simplify right side
    107,628.39x = 8,307,082,783.20
  5. Step 5: Solve for x
    x = 8,307,082,783.20/107,628.39
  6. Step 6: Final answer
    x = 77,183.01

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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.