Home / 147,568.48-203,644.08-80,500

Finding the Fourth Proportional to 147,568.48, 203,644.08 and 80,500

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Solution

The fourth proportional to 147,568.48, 203,644.08 and 80,500 is: 111,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,568.48 : 203,644.08 = 80,500 : x
  2. Step 2: Convert to fraction form
    147,568.48/203,644.08 = 80,500/x
  3. Step 3: Cross multiply
    147,568.48x = 203,644.08 × 80,500
  4. Step 4: Simplify right side
    147,568.48x = 16,393,348,440.00
  5. Step 5: Solve for x
    x = 16,393,348,440.00/147,568.48
  6. Step 6: Final answer
    x = 111,089.77

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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.