Home / 160,949.44-222,009.18-103,663

Finding the Fourth Proportional to 160,949.44, 222,009.18 and 103,663

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Solution

The fourth proportional to 160,949.44, 222,009.18 and 103,663 is: 142,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,949.44 : 222,009.18 = 103,663 : x
  2. Step 2: Convert to fraction form
    160,949.44/222,009.18 = 103,663/x
  3. Step 3: Cross multiply
    160,949.44x = 222,009.18 × 103,663
  4. Step 4: Simplify right side
    160,949.44x = 23,014,137,626.34
  5. Step 5: Solve for x
    x = 23,014,137,626.34/160,949.44
  6. Step 6: Final answer
    x = 142,989.86

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1.5x scale

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.