Home / 208,575.21-312,955.83-96,195

Finding the Fourth Proportional to 208,575.21, 312,955.83 and 96,195

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Solution

The fourth proportional to 208,575.21, 312,955.83 and 96,195 is: 144,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,575.21 : 312,955.83 = 96,195 : x
  2. Step 2: Convert to fraction form
    208,575.21/312,955.83 = 96,195/x
  3. Step 3: Cross multiply
    208,575.21x = 312,955.83 × 96,195
  4. Step 4: Simplify right side
    208,575.21x = 30,104,786,066.85
  5. Step 5: Solve for x
    x = 30,104,786,066.85/208,575.21
  6. Step 6: Final answer
    x = 144,335.40

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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.