Home / 213,048.87-294,007.21-117,555.56

Finding the Fourth Proportional to 213,048.87, 294,007.21 and 117,555.56

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Solution

The fourth proportional to 213,048.87, 294,007.21 and 117,555.56 is: 162,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,048.87 : 294,007.21 = 117,555.56 : x
  2. Step 2: Convert to fraction form
    213,048.87/294,007.21 = 117,555.56/x
  3. Step 3: Cross multiply
    213,048.87x = 294,007.21 × 117,555.56
  4. Step 4: Simplify right side
    213,048.87x = 34,562,182,215.59
  5. Step 5: Solve for x
    x = 34,562,182,215.59/213,048.87
  6. Step 6: Final answer
    x = 162,226.55

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1.5x scale

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.