Home / 144,811.44-199,836.54-84,378.32

Finding the Fourth Proportional to 144,811.44, 199,836.54 and 84,378.32

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Solution

The fourth proportional to 144,811.44, 199,836.54 and 84,378.32 is: 116,440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,811.44 : 199,836.54 = 84,378.32 : x
  2. Step 2: Convert to fraction form
    144,811.44/199,836.54 = 84,378.32/x
  3. Step 3: Cross multiply
    144,811.44x = 199,836.54 × 84,378.32
  4. Step 4: Simplify right side
    144,811.44x = 16,861,871,519.81
  5. Step 5: Solve for x
    x = 16,861,871,519.81/144,811.44
  6. Step 6: Final answer
    x = 116,440.19

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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.