Home / 213,289.30-294,356.64-122,674.60

Finding the Fourth Proportional to 213,289.30, 294,356.64 and 122,674.60

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Solution

The fourth proportional to 213,289.30, 294,356.64 and 122,674.60 is: 169,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,289.30 : 294,356.64 = 122,674.60 : x
  2. Step 2: Convert to fraction form
    213,289.30/294,356.64 = 122,674.60/x
  3. Step 3: Cross multiply
    213,289.30x = 294,356.64 × 122,674.60
  4. Step 4: Simplify right side
    213,289.30x = 36,110,083,069.34
  5. Step 5: Solve for x
    x = 36,110,083,069.34/213,289.30
  6. Step 6: Final answer
    x = 169,300.96

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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.