Home / 192,072.80-265,085.54-107,207.48

Finding the Fourth Proportional to 192,072.80, 265,085.54 and 107,207.48

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Solution

The fourth proportional to 192,072.80, 265,085.54 and 107,207.48 is: 147,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,072.80 : 265,085.54 = 107,207.48 : x
  2. Step 2: Convert to fraction form
    192,072.80/265,085.54 = 107,207.48/x
  3. Step 3: Cross multiply
    192,072.80x = 265,085.54 × 107,207.48
  4. Step 4: Simplify right side
    192,072.80x = 28,419,152,727.84
  5. Step 5: Solve for x
    x = 28,419,152,727.84/192,072.80
  6. Step 6: Final answer
    x = 147,960.32

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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.