Home / 141,145.20-194,790.60-93,315.60

Finding the Fourth Proportional to 141,145.20, 194,790.60 and 93,315.60

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Solution

The fourth proportional to 141,145.20, 194,790.60 and 93,315.60 is: 128,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,145.20 : 194,790.60 = 93,315.60 : x
  2. Step 2: Convert to fraction form
    141,145.20/194,790.60 = 93,315.60/x
  3. Step 3: Cross multiply
    141,145.20x = 194,790.60 × 93,315.60
  4. Step 4: Simplify right side
    141,145.20x = 18,177,001,713.36
  5. Step 5: Solve for x
    x = 18,177,001,713.36/141,145.20
  6. Step 6: Final answer
    x = 128,782.29

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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.