Home / 147,977.58-221,999.24-69,048.75

Finding the Fourth Proportional to 147,977.58, 221,999.24 and 69,048.75

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Solution

The fourth proportional to 147,977.58, 221,999.24 and 69,048.75 is: 103,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,977.58 : 221,999.24 = 69,048.75 : x
  2. Step 2: Convert to fraction form
    147,977.58/221,999.24 = 69,048.75/x
  3. Step 3: Cross multiply
    147,977.58x = 221,999.24 × 69,048.75
  4. Step 4: Simplify right side
    147,977.58x = 15,328,770,022.95
  5. Step 5: Solve for x
    x = 15,328,770,022.95/147,977.58
  6. Step 6: Final answer
    x = 103,588.46

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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.