Home / 141,895.68-195,456-108,303.36

Finding the Fourth Proportional to 141,895.68, 195,456 and 108,303.36

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Solution

The fourth proportional to 141,895.68, 195,456 and 108,303.36 is: 149,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,895.68 : 195,456 = 108,303.36 : x
  2. Step 2: Convert to fraction form
    141,895.68/195,456 = 108,303.36/x
  3. Step 3: Cross multiply
    141,895.68x = 195,456 × 108,303.36
  4. Step 4: Simplify right side
    141,895.68x = 21,168,541,532.16
  5. Step 5: Solve for x
    x = 21,168,541,532.16/141,895.68
  6. Step 6: Final answer
    x = 149,183.83

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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.