Home / 137,983.36-190,383.28-84,248.80

Finding the Fourth Proportional to 137,983.36, 190,383.28 and 84,248.80

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Solution

The fourth proportional to 137,983.36, 190,383.28 and 84,248.80 is: 116,242.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,983.36 : 190,383.28 = 84,248.80 : x
  2. Step 2: Convert to fraction form
    137,983.36/190,383.28 = 84,248.80/x
  3. Step 3: Cross multiply
    137,983.36x = 190,383.28 × 84,248.80
  4. Step 4: Simplify right side
    137,983.36x = 16,039,562,880.06
  5. Step 5: Solve for x
    x = 16,039,562,880.06/137,983.36
  6. Step 6: Final answer
    x = 116,242.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.