Home / 213,718.50-294,906.02-118,212.21

Finding the Fourth Proportional to 213,718.50, 294,906.02 and 118,212.21

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Solution

The fourth proportional to 213,718.50, 294,906.02 and 118,212.21 is: 163,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,718.50 : 294,906.02 = 118,212.21 : x
  2. Step 2: Convert to fraction form
    213,718.50/294,906.02 = 118,212.21/x
  3. Step 3: Cross multiply
    213,718.50x = 294,906.02 × 118,212.21
  4. Step 4: Simplify right side
    213,718.50x = 34,861,491,775.44
  5. Step 5: Solve for x
    x = 34,861,491,775.44/213,718.50
  6. Step 6: Final answer
    x = 163,118.74

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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.