Home / 144,923.41-199,994.12-80,402.43

Finding the Fourth Proportional to 144,923.41, 199,994.12 and 80,402.43

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Solution

The fourth proportional to 144,923.41, 199,994.12 and 80,402.43 is: 110,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,923.41 : 199,994.12 = 80,402.43 : x
  2. Step 2: Convert to fraction form
    144,923.41/199,994.12 = 80,402.43/x
  3. Step 3: Cross multiply
    144,923.41x = 199,994.12 × 80,402.43
  4. Step 4: Simplify right side
    144,923.41x = 16,080,012,831.70
  5. Step 5: Solve for x
    x = 16,080,012,831.70/144,923.41
  6. Step 6: Final answer
    x = 110,955.25

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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.