Home / 141,378.76-195,097.74-77,716.10

Finding the Fourth Proportional to 141,378.76, 195,097.74 and 77,716.10

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Solution

The fourth proportional to 141,378.76, 195,097.74 and 77,716.10 is: 107,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,378.76 : 195,097.74 = 77,716.10 : x
  2. Step 2: Convert to fraction form
    141,378.76/195,097.74 = 77,716.10/x
  3. Step 3: Cross multiply
    141,378.76x = 195,097.74 × 77,716.10
  4. Step 4: Simplify right side
    141,378.76x = 15,162,235,471.61
  5. Step 5: Solve for x
    x = 15,162,235,471.61/141,378.76
  6. Step 6: Final answer
    x = 107,245.50

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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.