Home / 208,095.30-311,705.55-173,103.30

Finding the Fourth Proportional to 208,095.30, 311,705.55 and 173,103.30

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Solution

The fourth proportional to 208,095.30, 311,705.55 and 173,103.30 is: 259,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,095.30 : 311,705.55 = 173,103.30 : x
  2. Step 2: Convert to fraction form
    208,095.30/311,705.55 = 173,103.30/x
  3. Step 3: Cross multiply
    208,095.30x = 311,705.55 × 173,103.30
  4. Step 4: Simplify right side
    208,095.30x = 53,957,259,333.32
  5. Step 5: Solve for x
    x = 53,957,259,333.32/208,095.30
  6. Step 6: Final answer
    x = 259,291.10

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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.