Home / 144,664.29-199,613.47-90,911.25

Finding the Fourth Proportional to 144,664.29, 199,613.47 and 90,911.25

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Solution

The fourth proportional to 144,664.29, 199,613.47 and 90,911.25 is: 125,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,664.29 : 199,613.47 = 90,911.25 : x
  2. Step 2: Convert to fraction form
    144,664.29/199,613.47 = 90,911.25/x
  3. Step 3: Cross multiply
    144,664.29x = 199,613.47 × 90,911.25
  4. Step 4: Simplify right side
    144,664.29x = 18,147,110,074.54
  5. Step 5: Solve for x
    x = 18,147,110,074.54/144,664.29
  6. Step 6: Final answer
    x = 125,442.91

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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.