Home / 156,089.44-215,401.62-84,467.80

Finding the Fourth Proportional to 156,089.44, 215,401.62 and 84,467.80

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Solution

The fourth proportional to 156,089.44, 215,401.62 and 84,467.80 is: 116,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,089.44 : 215,401.62 = 84,467.80 : x
  2. Step 2: Convert to fraction form
    156,089.44/215,401.62 = 84,467.80/x
  3. Step 3: Cross multiply
    156,089.44x = 215,401.62 × 84,467.80
  4. Step 4: Simplify right side
    156,089.44x = 18,194,500,957.84
  5. Step 5: Solve for x
    x = 18,194,500,957.84/156,089.44
  6. Step 6: Final answer
    x = 116,564.59

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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.