Home / 114,969.18-172,496.52-51,770.28

Finding the Fourth Proportional to 114,969.18, 172,496.52 and 51,770.28

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Solution

The fourth proportional to 114,969.18, 172,496.52 and 51,770.28 is: 77,674.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,969.18 : 172,496.52 = 51,770.28 : x
  2. Step 2: Convert to fraction form
    114,969.18/172,496.52 = 51,770.28/x
  3. Step 3: Cross multiply
    114,969.18x = 172,496.52 × 51,770.28
  4. Step 4: Simplify right side
    114,969.18x = 8,930,193,139.43
  5. Step 5: Solve for x
    x = 8,930,193,139.43/114,969.18
  6. Step 6: Final answer
    x = 77,674.67

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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.