Home / 213,520.46-294,659.98-118,028.75

Finding the Fourth Proportional to 213,520.46, 294,659.98 and 118,028.75

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Solution

The fourth proportional to 213,520.46, 294,659.98 and 118,028.75 is: 162,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,520.46 : 294,659.98 = 118,028.75 : x
  2. Step 2: Convert to fraction form
    213,520.46/294,659.98 = 118,028.75/x
  3. Step 3: Cross multiply
    213,520.46x = 294,659.98 × 118,028.75
  4. Step 4: Simplify right side
    213,520.46x = 34,778,347,346.05
  5. Step 5: Solve for x
    x = 34,778,347,346.05/213,520.46
  6. Step 6: Final answer
    x = 162,880.64

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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.