Home / 133,313.72-183,977.37-72,883.04

Finding the Fourth Proportional to 133,313.72, 183,977.37 and 72,883.04

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Solution

The fourth proportional to 133,313.72, 183,977.37 and 72,883.04 is: 100,581.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,313.72 : 183,977.37 = 72,883.04 : x
  2. Step 2: Convert to fraction form
    133,313.72/183,977.37 = 72,883.04/x
  3. Step 3: Cross multiply
    133,313.72x = 183,977.37 × 72,883.04
  4. Step 4: Simplify right side
    133,313.72x = 13,408,829,096.92
  5. Step 5: Solve for x
    x = 13,408,829,096.92/133,313.72
  6. Step 6: Final answer
    x = 100,581.02

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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.