Home / 208,760.63-288,090.37-113,268.00

Finding the Fourth Proportional to 208,760.63, 288,090.37 and 113,268.00

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Solution

The fourth proportional to 208,760.63, 288,090.37 and 113,268.00 is: 156,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,760.63 : 288,090.37 = 113,268.00 : x
  2. Step 2: Convert to fraction form
    208,760.63/288,090.37 = 113,268.00/x
  3. Step 3: Cross multiply
    208,760.63x = 288,090.37 × 113,268.00
  4. Step 4: Simplify right side
    208,760.63x = 32,631,421,251.08
  5. Step 5: Solve for x
    x = 32,631,421,251.08/208,760.63
  6. Step 6: Final answer
    x = 156,310.23

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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.