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Finding the Fourth Proportional to 125,519.09, 189,216.01 and 114,879.32

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Solution

The fourth proportional to 125,519.09, 189,216.01 and 114,879.32 is: 173,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,519.09 : 189,216.01 = 114,879.32 : x
  2. Step 2: Convert to fraction form
    125,519.09/189,216.01 = 114,879.32/x
  3. Step 3: Cross multiply
    125,519.09x = 189,216.01 × 114,879.32
  4. Step 4: Simplify right side
    125,519.09x = 21,737,005,987.52
  5. Step 5: Solve for x
    x = 21,737,005,987.52/125,519.09
  6. Step 6: Final answer
    x = 173,176.89

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.