Home / 179,748.94-248,143.43-111,787.81

Finding the Fourth Proportional to 179,748.94, 248,143.43 and 111,787.81

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Solution

The fourth proportional to 179,748.94, 248,143.43 and 111,787.81 is: 154,323.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,748.94 : 248,143.43 = 111,787.81 : x
  2. Step 2: Convert to fraction form
    179,748.94/248,143.43 = 111,787.81/x
  3. Step 3: Cross multiply
    179,748.94x = 248,143.43 × 111,787.81
  4. Step 4: Simplify right side
    179,748.94x = 27,739,408,805.93
  5. Step 5: Solve for x
    x = 27,739,408,805.93/179,748.94
  6. Step 6: Final answer
    x = 154,323.08

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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.