Home / 133,811.75-184,646.90-77,241.35

Finding the Fourth Proportional to 133,811.75, 184,646.90 and 77,241.35

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Solution

The fourth proportional to 133,811.75, 184,646.90 and 77,241.35 is: 106,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,811.75 : 184,646.90 = 77,241.35 : x
  2. Step 2: Convert to fraction form
    133,811.75/184,646.90 = 77,241.35/x
  3. Step 3: Cross multiply
    133,811.75x = 184,646.90 × 77,241.35
  4. Step 4: Simplify right side
    133,811.75x = 14,262,374,519.87
  5. Step 5: Solve for x
    x = 14,262,374,519.87/133,811.75
  6. Step 6: Final answer
    x = 106,585.37

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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.