Home / 189,370.25-261,336.41-104,492.78

Finding the Fourth Proportional to 189,370.25, 261,336.41 and 104,492.78

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Solution

The fourth proportional to 189,370.25, 261,336.41 and 104,492.78 is: 144,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,370.25 : 261,336.41 = 104,492.78 : x
  2. Step 2: Convert to fraction form
    189,370.25/261,336.41 = 104,492.78/x
  3. Step 3: Cross multiply
    189,370.25x = 261,336.41 × 104,492.78
  4. Step 4: Simplify right side
    189,370.25x = 27,307,768,257.35
  5. Step 5: Solve for x
    x = 27,307,768,257.35/189,370.25
  6. Step 6: Final answer
    x = 144,203.05

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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.