Home / 189,129.45-283,735.69-56,020.13

Finding the Fourth Proportional to 189,129.45, 283,735.69 and 56,020.13

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Solution

The fourth proportional to 189,129.45, 283,735.69 and 56,020.13 is: 84,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,129.45 : 283,735.69 = 56,020.13 : x
  2. Step 2: Convert to fraction form
    189,129.45/283,735.69 = 56,020.13/x
  3. Step 3: Cross multiply
    189,129.45x = 283,735.69 × 56,020.13
  4. Step 4: Simplify right side
    189,129.45x = 15,894,910,239.44
  5. Step 5: Solve for x
    x = 15,894,910,239.44/189,129.45
  6. Step 6: Final answer
    x = 84,042.49

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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.