Home / 144,636.64-199,574.82-90,883.60

Finding the Fourth Proportional to 144,636.64, 199,574.82 and 90,883.60

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Solution

The fourth proportional to 144,636.64, 199,574.82 and 90,883.60 is: 125,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,636.64 : 199,574.82 = 90,883.60 : x
  2. Step 2: Convert to fraction form
    144,636.64/199,574.82 = 90,883.60/x
  3. Step 3: Cross multiply
    144,636.64x = 199,574.82 × 90,883.60
  4. Step 4: Simplify right side
    144,636.64x = 18,138,078,110.95
  5. Step 5: Solve for x
    x = 18,138,078,110.95/144,636.64
  6. Step 6: Final answer
    x = 125,404.45

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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.