Home / 192,015.40-264,968.82-105,975.16

Finding the Fourth Proportional to 192,015.40, 264,968.82 and 105,975.16

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Solution

The fourth proportional to 192,015.40, 264,968.82 and 105,975.16 is: 146,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,015.40 : 264,968.82 = 105,975.16 : x
  2. Step 2: Convert to fraction form
    192,015.40/264,968.82 = 105,975.16/x
  3. Step 3: Cross multiply
    192,015.40x = 264,968.82 × 105,975.16
  4. Step 4: Simplify right side
    192,015.40x = 28,080,113,094.51
  5. Step 5: Solve for x
    x = 28,080,113,094.51/192,015.40
  6. Step 6: Final answer
    x = 146,238.86

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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.