Home / 103,148.12-154,723.55-33,027.43

Finding the Fourth Proportional to 103,148.12, 154,723.55 and 33,027.43

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Solution

The fourth proportional to 103,148.12, 154,723.55 and 33,027.43 is: 49,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,148.12 : 154,723.55 = 33,027.43 : x
  2. Step 2: Convert to fraction form
    103,148.12/154,723.55 = 33,027.43/x
  3. Step 3: Cross multiply
    103,148.12x = 154,723.55 × 33,027.43
  4. Step 4: Simplify right side
    103,148.12x = 5,110,121,216.98
  5. Step 5: Solve for x
    x = 5,110,121,216.98/103,148.12
  6. Step 6: Final answer
    x = 49,541.58

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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.