Home / 133,485.23-184,191.81-76,885.67

Finding the Fourth Proportional to 133,485.23, 184,191.81 and 76,885.67

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Solution

The fourth proportional to 133,485.23, 184,191.81 and 76,885.67 is: 106,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,485.23 : 184,191.81 = 76,885.67 : x
  2. Step 2: Convert to fraction form
    133,485.23/184,191.81 = 76,885.67/x
  3. Step 3: Cross multiply
    133,485.23x = 184,191.81 × 76,885.67
  4. Step 4: Simplify right side
    133,485.23x = 14,161,710,720.36
  5. Step 5: Solve for x
    x = 14,161,710,720.36/133,485.23
  6. Step 6: Final answer
    x = 106,091.97

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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.