Home / 189,120.83-283,767.35-70,801.38

Finding the Fourth Proportional to 189,120.83, 283,767.35 and 70,801.38

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Solution

The fourth proportional to 189,120.83, 283,767.35 and 70,801.38 is: 106,234.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,120.83 : 283,767.35 = 70,801.38 : x
  2. Step 2: Convert to fraction form
    189,120.83/283,767.35 = 70,801.38/x
  3. Step 3: Cross multiply
    189,120.83x = 283,767.35 × 70,801.38
  4. Step 4: Simplify right side
    189,120.83x = 20,091,119,624.94
  5. Step 5: Solve for x
    x = 20,091,119,624.94/189,120.83
  6. Step 6: Final answer
    x = 106,234.31

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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.