Home / 162,060.20-243,090.30-68,553.80

Finding the Fourth Proportional to 162,060.20, 243,090.30 and 68,553.80

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Solution

The fourth proportional to 162,060.20, 243,090.30 and 68,553.80 is: 102,830.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,060.20 : 243,090.30 = 68,553.80 : x
  2. Step 2: Convert to fraction form
    162,060.20/243,090.30 = 68,553.80/x
  3. Step 3: Cross multiply
    162,060.20x = 243,090.30 × 68,553.80
  4. Step 4: Simplify right side
    162,060.20x = 16,664,763,808.14
  5. Step 5: Solve for x
    x = 16,664,763,808.14/162,060.20
  6. Step 6: Final answer
    x = 102,830.70

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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.