Home / 137,817.82-190,206.18-84,091.42

Finding the Fourth Proportional to 137,817.82, 190,206.18 and 84,091.42

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Solution

The fourth proportional to 137,817.82, 190,206.18 and 84,091.42 is: 116,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,817.82 : 190,206.18 = 84,091.42 : x
  2. Step 2: Convert to fraction form
    137,817.82/190,206.18 = 84,091.42/x
  3. Step 3: Cross multiply
    137,817.82x = 190,206.18 × 84,091.42
  4. Step 4: Simplify right side
    137,817.82x = 15,994,707,768.98
  5. Step 5: Solve for x
    x = 15,994,707,768.98/137,817.82
  6. Step 6: Final answer
    x = 116,056.89

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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.