Home / 208,739.30-312,856.23-96,265.94

Finding the Fourth Proportional to 208,739.30, 312,856.23 and 96,265.94

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Solution

The fourth proportional to 208,739.30, 312,856.23 and 96,265.94 is: 144,282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,739.30 : 312,856.23 = 96,265.94 : x
  2. Step 2: Convert to fraction form
    208,739.30/312,856.23 = 96,265.94/x
  3. Step 3: Cross multiply
    208,739.30x = 312,856.23 × 96,265.94
  4. Step 4: Simplify right side
    208,739.30x = 30,117,399,065.81
  5. Step 5: Solve for x
    x = 30,117,399,065.81/208,739.30
  6. Step 6: Final answer
    x = 144,282.36

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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.