Home / 208,739.21-288,087.27-116,893.46

Finding the Fourth Proportional to 208,739.21, 288,087.27 and 116,893.46

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Solution

The fourth proportional to 208,739.21, 288,087.27 and 116,893.46 is: 161,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,739.21 : 288,087.27 = 116,893.46 : x
  2. Step 2: Convert to fraction form
    208,739.21/288,087.27 = 116,893.46/x
  3. Step 3: Cross multiply
    208,739.21x = 288,087.27 × 116,893.46
  4. Step 4: Simplify right side
    208,739.21x = 33,675,518,054.12
  5. Step 5: Solve for x
    x = 33,675,518,054.12/208,739.21
  6. Step 6: Final answer
    x = 161,328.19

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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.