Home / 161,730.20-242,595.30-110,991.80

Finding the Fourth Proportional to 161,730.20, 242,595.30 and 110,991.80

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Solution

The fourth proportional to 161,730.20, 242,595.30 and 110,991.80 is: 166,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,730.20 : 242,595.30 = 110,991.80 : x
  2. Step 2: Convert to fraction form
    161,730.20/242,595.30 = 110,991.80/x
  3. Step 3: Cross multiply
    161,730.20x = 242,595.30 × 110,991.80
  4. Step 4: Simplify right side
    161,730.20x = 26,926,089,018.54
  5. Step 5: Solve for x
    x = 26,926,089,018.54/161,730.20
  6. Step 6: Final answer
    x = 166,487.70

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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.