Home / 164,399.79-226,847.38-99,835.45

Finding the Fourth Proportional to 164,399.79, 226,847.38 and 99,835.45

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Solution

The fourth proportional to 164,399.79, 226,847.38 and 99,835.45 is: 137,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,399.79 : 226,847.38 = 99,835.45 : x
  2. Step 2: Convert to fraction form
    164,399.79/226,847.38 = 99,835.45/x
  3. Step 3: Cross multiply
    164,399.79x = 226,847.38 × 99,835.45
  4. Step 4: Simplify right side
    164,399.79x = 22,647,409,634.11
  5. Step 5: Solve for x
    x = 22,647,409,634.11/164,399.79
  6. Step 6: Final answer
    x = 137,758.14

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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.