Home / 133,811.03-184,642.20-76,454.07

Finding the Fourth Proportional to 133,811.03, 184,642.20 and 76,454.07

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Solution

The fourth proportional to 133,811.03, 184,642.20 and 76,454.07 is: 105,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,811.03 : 184,642.20 = 76,454.07 : x
  2. Step 2: Convert to fraction form
    133,811.03/184,642.20 = 76,454.07/x
  3. Step 3: Cross multiply
    133,811.03x = 184,642.20 × 76,454.07
  4. Step 4: Simplify right side
    133,811.03x = 14,116,646,760.54
  5. Step 5: Solve for x
    x = 14,116,646,760.54/133,811.03
  6. Step 6: Final answer
    x = 105,496.89

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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.