Home / 189,021.80-283,523.29-70,684.45

Finding the Fourth Proportional to 189,021.80, 283,523.29 and 70,684.45

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Solution

The fourth proportional to 189,021.80, 283,523.29 and 70,684.45 is: 106,023.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,021.80 : 283,523.29 = 70,684.45 : x
  2. Step 2: Convert to fraction form
    189,021.80/283,523.29 = 70,684.45/x
  3. Step 3: Cross multiply
    189,021.80x = 283,523.29 × 70,684.45
  4. Step 4: Simplify right side
    189,021.80x = 20,040,686,930.32
  5. Step 5: Solve for x
    x = 20,040,686,930.32/189,021.80
  6. Step 6: Final answer
    x = 106,023.15

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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.