Home / 106,340.36-146,760.04-79,436.16

Finding the Fourth Proportional to 106,340.36, 146,760.04 and 79,436.16

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Solution

The fourth proportional to 106,340.36, 146,760.04 and 79,436.16 is: 109,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,340.36 : 146,760.04 = 79,436.16 : x
  2. Step 2: Convert to fraction form
    106,340.36/146,760.04 = 79,436.16/x
  3. Step 3: Cross multiply
    106,340.36x = 146,760.04 × 79,436.16
  4. Step 4: Simplify right side
    106,340.36x = 11,658,052,888.07
  5. Step 5: Solve for x
    x = 11,658,052,888.07/106,340.36
  6. Step 6: Final answer
    x = 109,629.62

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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.