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Finding the Fourth Proportional to 114,578.76, 171,877.37 and 43,535.45

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Solution

The fourth proportional to 114,578.76, 171,877.37 and 43,535.45 is: 65,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,578.76 : 171,877.37 = 43,535.45 : x
  2. Step 2: Convert to fraction form
    114,578.76/171,877.37 = 43,535.45/x
  3. Step 3: Cross multiply
    114,578.76x = 171,877.37 × 43,535.45
  4. Step 4: Simplify right side
    114,578.76x = 7,482,757,570.70
  5. Step 5: Solve for x
    x = 7,482,757,570.70/114,578.76
  6. Step 6: Final answer
    x = 65,306.67

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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.