Home / 189,147.32-261,025.08-104,267.44

Finding the Fourth Proportional to 189,147.32, 261,025.08 and 104,267.44

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Solution

The fourth proportional to 189,147.32, 261,025.08 and 104,267.44 is: 143,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,147.32 : 261,025.08 = 104,267.44 : x
  2. Step 2: Convert to fraction form
    189,147.32/261,025.08 = 104,267.44/x
  3. Step 3: Cross multiply
    189,147.32x = 261,025.08 × 104,267.44
  4. Step 4: Simplify right side
    189,147.32x = 27,216,416,867.40
  5. Step 5: Solve for x
    x = 27,216,416,867.40/189,147.32
  6. Step 6: Final answer
    x = 143,890.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.