Home / 189,464.42-261,463.04-104,581.46

Finding the Fourth Proportional to 189,464.42, 261,463.04 and 104,581.46

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Solution

The fourth proportional to 189,464.42, 261,463.04 and 104,581.46 is: 144,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,464.42 : 261,463.04 = 104,581.46 : x
  2. Step 2: Convert to fraction form
    189,464.42/261,463.04 = 104,581.46/x
  3. Step 3: Cross multiply
    189,464.42x = 261,463.04 × 104,581.46
  4. Step 4: Simplify right side
    189,464.42x = 27,344,184,629.02
  5. Step 5: Solve for x
    x = 27,344,184,629.02/189,464.42
  6. Step 6: Final answer
    x = 144,323.59

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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.