Home / 141,309.09-194,811.68-112,725.76

Finding the Fourth Proportional to 141,309.09, 194,811.68 and 112,725.76

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Solution

The fourth proportional to 141,309.09, 194,811.68 and 112,725.76 is: 155,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,309.09 : 194,811.68 = 112,725.76 : x
  2. Step 2: Convert to fraction form
    141,309.09/194,811.68 = 112,725.76/x
  3. Step 3: Cross multiply
    141,309.09x = 194,811.68 × 112,725.76
  4. Step 4: Simplify right side
    141,309.09x = 21,960,294,844.93
  5. Step 5: Solve for x
    x = 21,960,294,844.93/141,309.09
  6. Step 6: Final answer
    x = 155,406.10

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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.