Home / 179,690.40-247,974.48-99,121.32

Finding the Fourth Proportional to 179,690.40, 247,974.48 and 99,121.32

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Solution

The fourth proportional to 179,690.40, 247,974.48 and 99,121.32 is: 136,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,690.40 : 247,974.48 = 99,121.32 : x
  2. Step 2: Convert to fraction form
    179,690.40/247,974.48 = 99,121.32/x
  3. Step 3: Cross multiply
    179,690.40x = 247,974.48 × 99,121.32
  4. Step 4: Simplify right side
    179,690.40x = 24,579,557,783.91
  5. Step 5: Solve for x
    x = 24,579,557,783.91/179,690.40
  6. Step 6: Final answer
    x = 136,788.37

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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.