Home / 131,928.07-197,729.53-75,049.67

Finding the Fourth Proportional to 131,928.07, 197,729.53 and 75,049.67

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Solution

The fourth proportional to 131,928.07, 197,729.53 and 75,049.67 is: 112,482.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,928.07 : 197,729.53 = 75,049.67 : x
  2. Step 2: Convert to fraction form
    131,928.07/197,729.53 = 75,049.67/x
  3. Step 3: Cross multiply
    131,928.07x = 197,729.53 × 75,049.67
  4. Step 4: Simplify right side
    131,928.07x = 14,839,535,975.76
  5. Step 5: Solve for x
    x = 14,839,535,975.76/131,928.07
  6. Step 6: Final answer
    x = 112,482.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.