Home / 180,116.10-248,247.36-131,638.68

Finding the Fourth Proportional to 180,116.10, 248,247.36 and 131,638.68

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Solution

The fourth proportional to 180,116.10, 248,247.36 and 131,638.68 is: 181,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,116.10 : 248,247.36 = 131,638.68 : x
  2. Step 2: Convert to fraction form
    180,116.10/248,247.36 = 131,638.68/x
  3. Step 3: Cross multiply
    180,116.10x = 248,247.36 × 131,638.68
  4. Step 4: Simplify right side
    180,116.10x = 32,678,954,783.88
  5. Step 5: Solve for x
    x = 32,678,954,783.88/180,116.10
  6. Step 6: Final answer
    x = 181,432.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.