Home / 213,738.67-294,968.05-118,243.72

Finding the Fourth Proportional to 213,738.67, 294,968.05 and 118,243.72

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Solution

The fourth proportional to 213,738.67, 294,968.05 and 118,243.72 is: 163,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,738.67 : 294,968.05 = 118,243.72 : x
  2. Step 2: Convert to fraction form
    213,738.67/294,968.05 = 118,243.72/x
  3. Step 3: Cross multiply
    213,738.67x = 294,968.05 × 118,243.72
  4. Step 4: Simplify right side
    213,738.67x = 34,878,120,398.37
  5. Step 5: Solve for x
    x = 34,878,120,398.37/213,738.67
  6. Step 6: Final answer
    x = 163,181.14

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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.