Home / 144,495.85-199,410.38-89,317.44

Finding the Fourth Proportional to 144,495.85, 199,410.38 and 89,317.44

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Solution

The fourth proportional to 144,495.85, 199,410.38 and 89,317.44 is: 123,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,495.85 : 199,410.38 = 89,317.44 : x
  2. Step 2: Convert to fraction form
    144,495.85/199,410.38 = 89,317.44/x
  3. Step 3: Cross multiply
    144,495.85x = 199,410.38 × 89,317.44
  4. Step 4: Simplify right side
    144,495.85x = 17,810,823,207.39
  5. Step 5: Solve for x
    x = 17,810,823,207.39/144,495.85
  6. Step 6: Final answer
    x = 123,261.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.