Home / 141,849.70-195,751.33-77,318.95

Finding the Fourth Proportional to 141,849.70, 195,751.33 and 77,318.95

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Solution

The fourth proportional to 141,849.70, 195,751.33 and 77,318.95 is: 106,699.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,849.70 : 195,751.33 = 77,318.95 : x
  2. Step 2: Convert to fraction form
    141,849.70/195,751.33 = 77,318.95/x
  3. Step 3: Cross multiply
    141,849.70x = 195,751.33 × 77,318.95
  4. Step 4: Simplify right side
    141,849.70x = 15,135,286,614.03
  5. Step 5: Solve for x
    x = 15,135,286,614.03/141,849.70
  6. Step 6: Final answer
    x = 106,699.46

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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.