Home / 161,688.44-242,657.20-130,175.60

Finding the Fourth Proportional to 161,688.44, 242,657.20 and 130,175.60

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Solution

The fourth proportional to 161,688.44, 242,657.20 and 130,175.60 is: 195,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,688.44 : 242,657.20 = 130,175.60 : x
  2. Step 2: Convert to fraction form
    161,688.44/242,657.20 = 130,175.60/x
  3. Step 3: Cross multiply
    161,688.44x = 242,657.20 × 130,175.60
  4. Step 4: Simplify right side
    161,688.44x = 31,588,046,604.32
  5. Step 5: Solve for x
    x = 31,588,046,604.32/161,688.44
  6. Step 6: Final answer
    x = 195,363.67

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1.5x scale

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.