Home / 141,426.28-195,173.24-77,768.92

Finding the Fourth Proportional to 141,426.28, 195,173.24 and 77,768.92

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Solution

The fourth proportional to 141,426.28, 195,173.24 and 77,768.92 is: 107,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,426.28 : 195,173.24 = 77,768.92 : x
  2. Step 2: Convert to fraction form
    141,426.28/195,173.24 = 77,768.92/x
  3. Step 3: Cross multiply
    141,426.28x = 195,173.24 × 77,768.92
  4. Step 4: Simplify right side
    141,426.28x = 15,178,412,087.70
  5. Step 5: Solve for x
    x = 15,178,412,087.70/141,426.28
  6. Step 6: Final answer
    x = 107,323.84

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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.