Home / 209,850.23-314,658.70-85,045.43

Finding the Fourth Proportional to 209,850.23, 314,658.70 and 85,045.43

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Solution

The fourth proportional to 209,850.23, 314,658.70 and 85,045.43 is: 127,520.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,850.23 : 314,658.70 = 85,045.43 : x
  2. Step 2: Convert to fraction form
    209,850.23/314,658.70 = 85,045.43/x
  3. Step 3: Cross multiply
    209,850.23x = 314,658.70 × 85,045.43
  4. Step 4: Simplify right side
    209,850.23x = 26,760,284,444.74
  5. Step 5: Solve for x
    x = 26,760,284,444.74/209,850.23
  6. Step 6: Final answer
    x = 127,520.87

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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.