Home / 141,850.94-195,751.64-77,320.79

Finding the Fourth Proportional to 141,850.94, 195,751.64 and 77,320.79

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Solution

The fourth proportional to 141,850.94, 195,751.64 and 77,320.79 is: 106,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,850.94 : 195,751.64 = 77,320.79 : x
  2. Step 2: Convert to fraction form
    141,850.94/195,751.64 = 77,320.79/x
  3. Step 3: Cross multiply
    141,850.94x = 195,751.64 × 77,320.79
  4. Step 4: Simplify right side
    141,850.94x = 15,135,671,061.99
  5. Step 5: Solve for x
    x = 15,135,671,061.99/141,850.94
  6. Step 6: Final answer
    x = 106,701.24

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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.