Home / 180,432.96-248,936.80-104,919.36

Finding the Fourth Proportional to 180,432.96, 248,936.80 and 104,919.36

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Solution

The fourth proportional to 180,432.96, 248,936.80 and 104,919.36 is: 144,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,432.96 : 248,936.80 = 104,919.36 : x
  2. Step 2: Convert to fraction form
    180,432.96/248,936.80 = 104,919.36/x
  3. Step 3: Cross multiply
    180,432.96x = 248,936.80 × 104,919.36
  4. Step 4: Simplify right side
    180,432.96x = 26,118,289,736.45
  5. Step 5: Solve for x
    x = 26,118,289,736.45/180,432.96
  6. Step 6: Final answer
    x = 144,753.43

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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.