Home / 213,729.36-294,955.20-118,234.41

Finding the Fourth Proportional to 213,729.36, 294,955.20 and 118,234.41

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Solution

The fourth proportional to 213,729.36, 294,955.20 and 118,234.41 is: 163,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,729.36 : 294,955.20 = 118,234.41 : x
  2. Step 2: Convert to fraction form
    213,729.36/294,955.20 = 118,234.41/x
  3. Step 3: Cross multiply
    213,729.36x = 294,955.20 × 118,234.41
  4. Step 4: Simplify right side
    213,729.36x = 34,873,854,048.43
  5. Step 5: Solve for x
    x = 34,873,854,048.43/213,729.36
  6. Step 6: Final answer
    x = 163,168.29

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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.