Home / 189,013.08-283,358.70-83,774.64

Finding the Fourth Proportional to 189,013.08, 283,358.70 and 83,774.64

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Solution

The fourth proportional to 189,013.08, 283,358.70 and 83,774.64 is: 125,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,013.08 : 283,358.70 = 83,774.64 : x
  2. Step 2: Convert to fraction form
    189,013.08/283,358.70 = 83,774.64/x
  3. Step 3: Cross multiply
    189,013.08x = 283,358.70 × 83,774.64
  4. Step 4: Simplify right side
    189,013.08x = 23,738,273,083.37
  5. Step 5: Solve for x
    x = 23,738,273,083.37/189,013.08
  6. Step 6: Final answer
    x = 125,590.64

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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.