Home / 213,884.04-321,407.64-114,114.72

Finding the Fourth Proportional to 213,884.04, 321,407.64 and 114,114.72

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Solution

The fourth proportional to 213,884.04, 321,407.64 and 114,114.72 is: 171,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,884.04 : 321,407.64 = 114,114.72 : x
  2. Step 2: Convert to fraction form
    213,884.04/321,407.64 = 114,114.72/x
  3. Step 3: Cross multiply
    213,884.04x = 321,407.64 × 114,114.72
  4. Step 4: Simplify right side
    213,884.04x = 36,677,342,844.46
  5. Step 5: Solve for x
    x = 36,677,342,844.46/213,884.04
  6. Step 6: Final answer
    x = 171,482.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.