Home / 213,281.64-294,330.67-121,396.44

Finding the Fourth Proportional to 213,281.64, 294,330.67 and 121,396.44

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Solution

The fourth proportional to 213,281.64, 294,330.67 and 121,396.44 is: 167,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,281.64 : 294,330.67 = 121,396.44 : x
  2. Step 2: Convert to fraction form
    213,281.64/294,330.67 = 121,396.44/x
  3. Step 3: Cross multiply
    213,281.64x = 294,330.67 × 121,396.44
  4. Step 4: Simplify right side
    213,281.64x = 35,730,694,520.50
  5. Step 5: Solve for x
    x = 35,730,694,520.50/213,281.64
  6. Step 6: Final answer
    x = 167,528.23

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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.