Home / 133,579.75-184,338.74-72,325.64

Finding the Fourth Proportional to 133,579.75, 184,338.74 and 72,325.64

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Solution

The fourth proportional to 133,579.75, 184,338.74 and 72,325.64 is: 99,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,579.75 : 184,338.74 = 72,325.64 : x
  2. Step 2: Convert to fraction form
    133,579.75/184,338.74 = 72,325.64/x
  3. Step 3: Cross multiply
    133,579.75x = 184,338.74 × 72,325.64
  4. Step 4: Simplify right side
    133,579.75x = 13,332,417,166.48
  5. Step 5: Solve for x
    x = 13,332,417,166.48/133,579.75
  6. Step 6: Final answer
    x = 99,808.67

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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.