Home / 189,433.62-261,420.21-104,548.86

Finding the Fourth Proportional to 189,433.62, 261,420.21 and 104,548.86

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Solution

The fourth proportional to 189,433.62, 261,420.21 and 104,548.86 is: 144,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,433.62 : 261,420.21 = 104,548.86 : x
  2. Step 2: Convert to fraction form
    189,433.62/261,420.21 = 104,548.86/x
  3. Step 3: Cross multiply
    189,433.62x = 261,420.21 × 104,548.86
  4. Step 4: Simplify right side
    189,433.62x = 27,331,184,936.46
  5. Step 5: Solve for x
    x = 27,331,184,936.46/189,433.62
  6. Step 6: Final answer
    x = 144,278.43

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1.5x scale

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.