Home / 102,629.30-154,102.35-55,973.30

Finding the Fourth Proportional to 102,629.30, 154,102.35 and 55,973.30

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Solution

The fourth proportional to 102,629.30, 154,102.35 and 55,973.30 is: 84,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,629.30 : 154,102.35 = 55,973.30 : x
  2. Step 2: Convert to fraction form
    102,629.30/154,102.35 = 55,973.30/x
  3. Step 3: Cross multiply
    102,629.30x = 154,102.35 × 55,973.30
  4. Step 4: Simplify right side
    102,629.30x = 8,625,617,067.26
  5. Step 5: Solve for x
    x = 8,625,617,067.26/102,629.30
  6. Step 6: Final answer
    x = 84,046.34

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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.