Home / 147,040.34-220,205.24-83,668.46

Finding the Fourth Proportional to 147,040.34, 220,205.24 and 83,668.46

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Solution

The fourth proportional to 147,040.34, 220,205.24 and 83,668.46 is: 125,300.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,040.34 : 220,205.24 = 83,668.46 : x
  2. Step 2: Convert to fraction form
    147,040.34/220,205.24 = 83,668.46/x
  3. Step 3: Cross multiply
    147,040.34x = 220,205.24 × 83,668.46
  4. Step 4: Simplify right side
    147,040.34x = 18,424,233,314.73
  5. Step 5: Solve for x
    x = 18,424,233,314.73/147,040.34
  6. Step 6: Final answer
    x = 125,300.54

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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.