Home / 146,556.70-219,828.21-61,132.30

Finding the Fourth Proportional to 146,556.70, 219,828.21 and 61,132.30

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Solution

The fourth proportional to 146,556.70, 219,828.21 and 61,132.30 is: 91,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,556.70 : 219,828.21 = 61,132.30 : x
  2. Step 2: Convert to fraction form
    146,556.70/219,828.21 = 61,132.30/x
  3. Step 3: Cross multiply
    146,556.70x = 219,828.21 × 61,132.30
  4. Step 4: Simplify right side
    146,556.70x = 13,438,604,082.18
  5. Step 5: Solve for x
    x = 13,438,604,082.18/146,556.70
  6. Step 6: Final answer
    x = 91,695.60

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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.