Home / 208,654.47-312,564.29-96,180.84

Finding the Fourth Proportional to 208,654.47, 312,564.29 and 96,180.84

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Solution

The fourth proportional to 208,654.47, 312,564.29 and 96,180.84 is: 144,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,654.47 : 312,564.29 = 96,180.84 : x
  2. Step 2: Convert to fraction form
    208,654.47/312,564.29 = 96,180.84/x
  3. Step 3: Cross multiply
    208,654.47x = 312,564.29 × 96,180.84
  4. Step 4: Simplify right side
    208,654.47x = 30,062,695,485.30
  5. Step 5: Solve for x
    x = 30,062,695,485.30/208,654.47
  6. Step 6: Final answer
    x = 144,078.85

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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.