Home / 133,431.24-184,134.36-73,000.76

Finding the Fourth Proportional to 133,431.24, 184,134.36 and 73,000.76

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Solution

The fourth proportional to 133,431.24, 184,134.36 and 73,000.76 is: 100,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,431.24 : 184,134.36 = 73,000.76 : x
  2. Step 2: Convert to fraction form
    133,431.24/184,134.36 = 73,000.76/x
  3. Step 3: Cross multiply
    133,431.24x = 184,134.36 × 73,000.76
  4. Step 4: Simplify right side
    133,431.24x = 13,441,948,222.11
  5. Step 5: Solve for x
    x = 13,441,948,222.11/133,431.24
  6. Step 6: Final answer
    x = 100,740.64

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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.