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Finding the Fourth Proportional to 192,107.81, 265,111.52 and 107,224.88

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Solution

The fourth proportional to 192,107.81, 265,111.52 and 107,224.88 is: 147,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,107.81 : 265,111.52 = 107,224.88 : x
  2. Step 2: Convert to fraction form
    192,107.81/265,111.52 = 107,224.88/x
  3. Step 3: Cross multiply
    192,107.81x = 265,111.52 × 107,224.88
  4. Step 4: Simplify right side
    192,107.81x = 28,426,549,056.94
  5. Step 5: Solve for x
    x = 28,426,549,056.94/192,107.81
  6. Step 6: Final answer
    x = 147,971.85

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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.