Home / 209,899.08-314,755.98-60,105.36

Finding the Fourth Proportional to 209,899.08, 314,755.98 and 60,105.36

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Solution

The fourth proportional to 209,899.08, 314,755.98 and 60,105.36 is: 90,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,899.08 : 314,755.98 = 60,105.36 : x
  2. Step 2: Convert to fraction form
    209,899.08/314,755.98 = 60,105.36/x
  3. Step 3: Cross multiply
    209,899.08x = 314,755.98 × 60,105.36
  4. Step 4: Simplify right side
    209,899.08x = 18,918,521,490.05
  5. Step 5: Solve for x
    x = 18,918,521,490.05/209,899.08
  6. Step 6: Final answer
    x = 90,131.51

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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.