Home / 179,138.94-268,754.88-52,783.65

Finding the Fourth Proportional to 179,138.94, 268,754.88 and 52,783.65

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Solution

The fourth proportional to 179,138.94, 268,754.88 and 52,783.65 is: 79,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,138.94 : 268,754.88 = 52,783.65 : x
  2. Step 2: Convert to fraction form
    179,138.94/268,754.88 = 52,783.65/x
  3. Step 3: Cross multiply
    179,138.94x = 268,754.88 × 52,783.65
  4. Step 4: Simplify right side
    179,138.94x = 14,185,863,719.65
  5. Step 5: Solve for x
    x = 14,185,863,719.65/179,138.94
  6. Step 6: Final answer
    x = 79,189.17

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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.