Home / 213,263.44-294,336.62-131,639.32

Finding the Fourth Proportional to 213,263.44, 294,336.62 and 131,639.32

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Solution

The fourth proportional to 213,263.44, 294,336.62 and 131,639.32 is: 181,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,263.44 : 294,336.62 = 131,639.32 : x
  2. Step 2: Convert to fraction form
    213,263.44/294,336.62 = 131,639.32/x
  3. Step 3: Cross multiply
    213,263.44x = 294,336.62 × 131,639.32
  4. Step 4: Simplify right side
    213,263.44x = 38,746,272,507.90
  5. Step 5: Solve for x
    x = 38,746,272,507.90/213,263.44
  6. Step 6: Final answer
    x = 181,682.68

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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.