Home / 105,924.78-146,178.76-58,179.16

Finding the Fourth Proportional to 105,924.78, 146,178.76 and 58,179.16

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Solution

The fourth proportional to 105,924.78, 146,178.76 and 58,179.16 is: 80,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,924.78 : 146,178.76 = 58,179.16 : x
  2. Step 2: Convert to fraction form
    105,924.78/146,178.76 = 58,179.16/x
  3. Step 3: Cross multiply
    105,924.78x = 146,178.76 × 58,179.16
  4. Step 4: Simplify right side
    105,924.78x = 8,504,557,466.64
  5. Step 5: Solve for x
    x = 8,504,557,466.64/105,924.78
  6. Step 6: Final answer
    x = 80,288.65

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1.5x scale

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.