Home / 147,538.89-203,596.07-80,457.93

Finding the Fourth Proportional to 147,538.89, 203,596.07 and 80,457.93

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Solution

The fourth proportional to 147,538.89, 203,596.07 and 80,457.93 is: 111,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,538.89 : 203,596.07 = 80,457.93 : x
  2. Step 2: Convert to fraction form
    147,538.89/203,596.07 = 80,457.93/x
  3. Step 3: Cross multiply
    147,538.89x = 203,596.07 × 80,457.93
  4. Step 4: Simplify right side
    147,538.89x = 16,380,917,946.05
  5. Step 5: Solve for x
    x = 16,380,917,946.05/147,538.89
  6. Step 6: Final answer
    x = 111,027.80

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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.