Home / 192,015.66-264,979.71-105,979.26

Finding the Fourth Proportional to 192,015.66, 264,979.71 and 105,979.26

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Solution

The fourth proportional to 192,015.66, 264,979.71 and 105,979.26 is: 146,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,015.66 : 264,979.71 = 105,979.26 : x
  2. Step 2: Convert to fraction form
    192,015.66/264,979.71 = 105,979.26/x
  3. Step 3: Cross multiply
    192,015.66x = 264,979.71 × 105,979.26
  4. Step 4: Simplify right side
    192,015.66x = 28,082,353,580.81
  5. Step 5: Solve for x
    x = 28,082,353,580.81/192,015.66
  6. Step 6: Final answer
    x = 146,250.33

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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.