Home / 180,135.06-248,564.79-99,551.60

Finding the Fourth Proportional to 180,135.06, 248,564.79 and 99,551.60

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Solution

The fourth proportional to 180,135.06, 248,564.79 and 99,551.60 is: 137,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,135.06 : 248,564.79 = 99,551.60 : x
  2. Step 2: Convert to fraction form
    180,135.06/248,564.79 = 99,551.60/x
  3. Step 3: Cross multiply
    180,135.06x = 248,564.79 × 99,551.60
  4. Step 4: Simplify right side
    180,135.06x = 24,745,021,305.34
  5. Step 5: Solve for x
    x = 24,745,021,305.34/180,135.06
  6. Step 6: Final answer
    x = 137,369.27

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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.