Home / 148,072.44-204,341.58-81,003

Finding the Fourth Proportional to 148,072.44, 204,341.58 and 81,003

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Solution

The fourth proportional to 148,072.44, 204,341.58 and 81,003 is: 111,785.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,072.44 : 204,341.58 = 81,003 : x
  2. Step 2: Convert to fraction form
    148,072.44/204,341.58 = 81,003/x
  3. Step 3: Cross multiply
    148,072.44x = 204,341.58 × 81,003
  4. Step 4: Simplify right side
    148,072.44x = 16,552,281,004.74
  5. Step 5: Solve for x
    x = 16,552,281,004.74/148,072.44
  6. Step 6: Final answer
    x = 111,785.02

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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.