Home / 213,234.32-294,280.70-122,619.62

Finding the Fourth Proportional to 213,234.32, 294,280.70 and 122,619.62

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Solution

The fourth proportional to 213,234.32, 294,280.70 and 122,619.62 is: 169,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,234.32 : 294,280.70 = 122,619.62 : x
  2. Step 2: Convert to fraction form
    213,234.32/294,280.70 = 122,619.62/x
  3. Step 3: Cross multiply
    213,234.32x = 294,280.70 × 122,619.62
  4. Step 4: Simplify right side
    213,234.32x = 36,084,587,729.94
  5. Step 5: Solve for x
    x = 36,084,587,729.94/213,234.32
  6. Step 6: Final answer
    x = 169,225.04

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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.