Home / 208,740.30-312,857.73-96,266.94

Finding the Fourth Proportional to 208,740.30, 312,857.73 and 96,266.94

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Solution

The fourth proportional to 208,740.30, 312,857.73 and 96,266.94 is: 144,283.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,740.30 : 312,857.73 = 96,266.94 : x
  2. Step 2: Convert to fraction form
    208,740.30/312,857.73 = 96,266.94/x
  3. Step 3: Cross multiply
    208,740.30x = 312,857.73 × 96,266.94
  4. Step 4: Simplify right side
    208,740.30x = 30,117,856,322.45
  5. Step 5: Solve for x
    x = 30,117,856,322.45/208,740.30
  6. Step 6: Final answer
    x = 144,283.86

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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.