Home / 144,748.09-199,752.38-81,087.22

Finding the Fourth Proportional to 144,748.09, 199,752.38 and 81,087.22

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Solution

The fourth proportional to 144,748.09, 199,752.38 and 81,087.22 is: 111,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,748.09 : 199,752.38 = 81,087.22 : x
  2. Step 2: Convert to fraction form
    144,748.09/199,752.38 = 81,087.22/x
  3. Step 3: Cross multiply
    144,748.09x = 199,752.38 × 81,087.22
  4. Step 4: Simplify right side
    144,748.09x = 16,197,365,182.58
  5. Step 5: Solve for x
    x = 16,197,365,182.58/144,748.09
  6. Step 6: Final answer
    x = 111,900.37

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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.