Home / 141,329.94-195,034.68-80,900.25

Finding the Fourth Proportional to 141,329.94, 195,034.68 and 80,900.25

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Solution

The fourth proportional to 141,329.94, 195,034.68 and 80,900.25 is: 111,641.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,329.94 : 195,034.68 = 80,900.25 : x
  2. Step 2: Convert to fraction form
    141,329.94/195,034.68 = 80,900.25/x
  3. Step 3: Cross multiply
    141,329.94x = 195,034.68 × 80,900.25
  4. Step 4: Simplify right side
    141,329.94x = 15,778,354,370.67
  5. Step 5: Solve for x
    x = 15,778,354,370.67/141,329.94
  6. Step 6: Final answer
    x = 111,641.98

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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.