Home / 136,056.48-203,776.96-72,764.80

Finding the Fourth Proportional to 136,056.48, 203,776.96 and 72,764.80

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Solution

The fourth proportional to 136,056.48, 203,776.96 and 72,764.80 is: 108,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,056.48 : 203,776.96 = 72,764.80 : x
  2. Step 2: Convert to fraction form
    136,056.48/203,776.96 = 72,764.80/x
  3. Step 3: Cross multiply
    136,056.48x = 203,776.96 × 72,764.80
  4. Step 4: Simplify right side
    136,056.48x = 14,827,789,739.01
  5. Step 5: Solve for x
    x = 14,827,789,739.01/136,056.48
  6. Step 6: Final answer
    x = 108,982.61

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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.