Home / 103,670.49-143,069.87-58,351.39

Finding the Fourth Proportional to 103,670.49, 143,069.87 and 58,351.39

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Solution

The fourth proportional to 103,670.49, 143,069.87 and 58,351.39 is: 80,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,670.49 : 143,069.87 = 58,351.39 : x
  2. Step 2: Convert to fraction form
    103,670.49/143,069.87 = 58,351.39/x
  3. Step 3: Cross multiply
    103,670.49x = 143,069.87 × 58,351.39
  4. Step 4: Simplify right side
    103,670.49x = 8,348,325,781.62
  5. Step 5: Solve for x
    x = 8,348,325,781.62/103,670.49
  6. Step 6: Final answer
    x = 80,527.50

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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.