Home / 120,261.82-180,393.94-53,705.32

Finding the Fourth Proportional to 120,261.82, 180,393.94 and 53,705.32

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Solution

The fourth proportional to 120,261.82, 180,393.94 and 53,705.32 is: 80,558.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,261.82 : 180,393.94 = 53,705.32 : x
  2. Step 2: Convert to fraction form
    120,261.82/180,393.94 = 53,705.32/x
  3. Step 3: Cross multiply
    120,261.82x = 180,393.94 × 53,705.32
  4. Step 4: Simplify right side
    120,261.82x = 9,688,114,273.76
  5. Step 5: Solve for x
    x = 9,688,114,273.76/120,261.82
  6. Step 6: Final answer
    x = 80,558.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.