Home / 208,293.05-311,905.91-144,162.36

Finding the Fourth Proportional to 208,293.05, 311,905.91 and 144,162.36

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Solution

The fourth proportional to 208,293.05, 311,905.91 and 144,162.36 is: 215,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,293.05 : 311,905.91 = 144,162.36 : x
  2. Step 2: Convert to fraction form
    208,293.05/311,905.91 = 144,162.36/x
  3. Step 3: Cross multiply
    208,293.05x = 311,905.91 × 144,162.36
  4. Step 4: Simplify right side
    208,293.05x = 44,965,092,443.95
  5. Step 5: Solve for x
    x = 44,965,092,443.95/208,293.05
  6. Step 6: Final answer
    x = 215,874.18

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1.5x scale

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.