Home / 133,815.75-184,652.40-77,245.35

Finding the Fourth Proportional to 133,815.75, 184,652.40 and 77,245.35

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Solution

The fourth proportional to 133,815.75, 184,652.40 and 77,245.35 is: 106,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,815.75 : 184,652.40 = 77,245.35 : x
  2. Step 2: Convert to fraction form
    133,815.75/184,652.40 = 77,245.35/x
  3. Step 3: Cross multiply
    133,815.75x = 184,652.40 × 77,245.35
  4. Step 4: Simplify right side
    133,815.75x = 14,263,539,266.34
  5. Step 5: Solve for x
    x = 14,263,539,266.34/133,815.75
  6. Step 6: Final answer
    x = 106,590.89

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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.