Home / 106,462.44-146,923.78-74,619.72

Finding the Fourth Proportional to 106,462.44, 146,923.78 and 74,619.72

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Solution

The fourth proportional to 106,462.44, 146,923.78 and 74,619.72 is: 102,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,462.44 : 146,923.78 = 74,619.72 : x
  2. Step 2: Convert to fraction form
    106,462.44/146,923.78 = 74,619.72/x
  3. Step 3: Cross multiply
    106,462.44x = 146,923.78 × 74,619.72
  4. Step 4: Simplify right side
    106,462.44x = 10,963,411,324.94
  5. Step 5: Solve for x
    x = 10,963,411,324.94/106,462.44
  6. Step 6: Final answer
    x = 102,979.15

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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.