Home / 123,355.20-184,909.40-56,843.36

Finding the Fourth Proportional to 123,355.20, 184,909.40 and 56,843.36

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Solution

The fourth proportional to 123,355.20, 184,909.40 and 56,843.36 is: 85,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,355.20 : 184,909.40 = 56,843.36 : x
  2. Step 2: Convert to fraction form
    123,355.20/184,909.40 = 56,843.36/x
  3. Step 3: Cross multiply
    123,355.20x = 184,909.40 × 56,843.36
  4. Step 4: Simplify right side
    123,355.20x = 10,510,871,591.58
  5. Step 5: Solve for x
    x = 10,510,871,591.58/123,355.20
  6. Step 6: Final answer
    x = 85,208.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.