Home / 149,174.01-205,808.18-84,635.64

Finding the Fourth Proportional to 149,174.01, 205,808.18 and 84,635.64

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Solution

The fourth proportional to 149,174.01, 205,808.18 and 84,635.64 is: 116,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,174.01 : 205,808.18 = 84,635.64 : x
  2. Step 2: Convert to fraction form
    149,174.01/205,808.18 = 84,635.64/x
  3. Step 3: Cross multiply
    149,174.01x = 205,808.18 × 84,635.64
  4. Step 4: Simplify right side
    149,174.01x = 17,418,706,608.36
  5. Step 5: Solve for x
    x = 17,418,706,608.36/149,174.01
  6. Step 6: Final answer
    x = 116,767.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.