Home / 133,445.75-184,136.97-79,719.36

Finding the Fourth Proportional to 133,445.75, 184,136.97 and 79,719.36

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Solution

The fourth proportional to 133,445.75, 184,136.97 and 79,719.36 is: 110,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,445.75 : 184,136.97 = 79,719.36 : x
  2. Step 2: Convert to fraction form
    133,445.75/184,136.97 = 79,719.36/x
  3. Step 3: Cross multiply
    133,445.75x = 184,136.97 × 79,719.36
  4. Step 4: Simplify right side
    133,445.75x = 14,679,281,400.74
  5. Step 5: Solve for x
    x = 14,679,281,400.74/133,445.75
  6. Step 6: Final answer
    x = 110,001.86

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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.