Home / 133,619.84-184,389.98-79,934.54

Finding the Fourth Proportional to 133,619.84, 184,389.98 and 79,934.54

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Solution

The fourth proportional to 133,619.84, 184,389.98 and 79,934.54 is: 110,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,619.84 : 184,389.98 = 79,934.54 : x
  2. Step 2: Convert to fraction form
    133,619.84/184,389.98 = 79,934.54/x
  3. Step 3: Cross multiply
    133,619.84x = 184,389.98 × 79,934.54
  4. Step 4: Simplify right side
    133,619.84x = 14,739,128,231.91
  5. Step 5: Solve for x
    x = 14,739,128,231.91/133,619.84
  6. Step 6: Final answer
    x = 110,306.44

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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.