Home / 144,716.64-199,806.48-90,351.66

Finding the Fourth Proportional to 144,716.64, 199,806.48 and 90,351.66

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Solution

The fourth proportional to 144,716.64, 199,806.48 and 90,351.66 is: 124,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,716.64 : 199,806.48 = 90,351.66 : x
  2. Step 2: Convert to fraction form
    144,716.64/199,806.48 = 90,351.66/x
  3. Step 3: Cross multiply
    144,716.64x = 199,806.48 × 90,351.66
  4. Step 4: Simplify right side
    144,716.64x = 18,052,847,146.76
  5. Step 5: Solve for x
    x = 18,052,847,146.76/144,716.64
  6. Step 6: Final answer
    x = 124,746.17

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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.