Home / 146,865.30-220,302.73-69,911.60

Finding the Fourth Proportional to 146,865.30, 220,302.73 and 69,911.60

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Solution

The fourth proportional to 146,865.30, 220,302.73 and 69,911.60 is: 104,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,865.30 : 220,302.73 = 69,911.60 : x
  2. Step 2: Convert to fraction form
    146,865.30/220,302.73 = 69,911.60/x
  3. Step 3: Cross multiply
    146,865.30x = 220,302.73 × 69,911.60
  4. Step 4: Simplify right side
    146,865.30x = 15,401,716,338.67
  5. Step 5: Solve for x
    x = 15,401,716,338.67/146,865.30
  6. Step 6: Final answer
    x = 104,869.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.