Home / 189,464.11-261,460.43-104,581.15

Finding the Fourth Proportional to 189,464.11, 261,460.43 and 104,581.15

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Solution

The fourth proportional to 189,464.11, 261,460.43 and 104,581.15 is: 144,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,464.11 : 261,460.43 = 104,581.15 : x
  2. Step 2: Convert to fraction form
    189,464.11/261,460.43 = 104,581.15/x
  3. Step 3: Cross multiply
    189,464.11x = 261,460.43 × 104,581.15
  4. Step 4: Simplify right side
    189,464.11x = 27,343,831,664.52
  5. Step 5: Solve for x
    x = 27,343,831,664.52/189,464.11
  6. Step 6: Final answer
    x = 144,321.96

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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.