Home / 154,690.56-213,511.68-95,040

Finding the Fourth Proportional to 154,690.56, 213,511.68 and 95,040

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Solution

The fourth proportional to 154,690.56, 213,511.68 and 95,040 is: 131,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,690.56 : 213,511.68 = 95,040 : x
  2. Step 2: Convert to fraction form
    154,690.56/213,511.68 = 95,040/x
  3. Step 3: Cross multiply
    154,690.56x = 213,511.68 × 95,040
  4. Step 4: Simplify right side
    154,690.56x = 20,292,150,067.20
  5. Step 5: Solve for x
    x = 20,292,150,067.20/154,690.56
  6. Step 6: Final answer
    x = 131,178.98

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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.