Home / 120,852.48-166,832.16-72,477.44

Finding the Fourth Proportional to 120,852.48, 166,832.16 and 72,477.44

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Solution

The fourth proportional to 120,852.48, 166,832.16 and 72,477.44 is: 100,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,852.48 : 166,832.16 = 72,477.44 : x
  2. Step 2: Convert to fraction form
    120,852.48/166,832.16 = 72,477.44/x
  3. Step 3: Cross multiply
    120,852.48x = 166,832.16 × 72,477.44
  4. Step 4: Simplify right side
    120,852.48x = 12,091,567,866.47
  5. Step 5: Solve for x
    x = 12,091,567,866.47/120,852.48
  6. Step 6: Final answer
    x = 100,052.29

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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.