Home / 133,431.18-184,104.89-79,705.68

Finding the Fourth Proportional to 133,431.18, 184,104.89 and 79,705.68

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Solution

The fourth proportional to 133,431.18, 184,104.89 and 79,705.68 is: 109,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,431.18 : 184,104.89 = 79,705.68 : x
  2. Step 2: Convert to fraction form
    133,431.18/184,104.89 = 79,705.68/x
  3. Step 3: Cross multiply
    133,431.18x = 184,104.89 × 79,705.68
  4. Step 4: Simplify right side
    133,431.18x = 14,674,205,050.25
  5. Step 5: Solve for x
    x = 14,674,205,050.25/133,431.18
  6. Step 6: Final answer
    x = 109,975.83

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1.5x scale

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.