Home / 148,905.03-205,405.77-91,504.53

Finding the Fourth Proportional to 148,905.03, 205,405.77 and 91,504.53

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Solution

The fourth proportional to 148,905.03, 205,405.77 and 91,504.53 is: 126,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,905.03 : 205,405.77 = 91,504.53 : x
  2. Step 2: Convert to fraction form
    148,905.03/205,405.77 = 91,504.53/x
  3. Step 3: Cross multiply
    148,905.03x = 205,405.77 × 91,504.53
  4. Step 4: Simplify right side
    148,905.03x = 18,795,558,443.14
  5. Step 5: Solve for x
    x = 18,795,558,443.14/148,905.03
  6. Step 6: Final answer
    x = 126,225.14

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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.