Home / 213,180.15-294,180.90-117,684.80

Finding the Fourth Proportional to 213,180.15, 294,180.90 and 117,684.80

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Solution

The fourth proportional to 213,180.15, 294,180.90 and 117,684.80 is: 162,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,180.15 : 294,180.90 = 117,684.80 : x
  2. Step 2: Convert to fraction form
    213,180.15/294,180.90 = 117,684.80/x
  3. Step 3: Cross multiply
    213,180.15x = 294,180.90 × 117,684.80
  4. Step 4: Simplify right side
    213,180.15x = 34,620,618,320.99
  5. Step 5: Solve for x
    x = 34,620,618,320.99/213,180.15
  6. Step 6: Final answer
    x = 162,400.76

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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.