Home / 118,183.05-163,086.62-64,467.63

Finding the Fourth Proportional to 118,183.05, 163,086.62 and 64,467.63

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Solution

The fourth proportional to 118,183.05, 163,086.62 and 64,467.63 is: 88,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,183.05 : 163,086.62 = 64,467.63 : x
  2. Step 2: Convert to fraction form
    118,183.05/163,086.62 = 64,467.63/x
  3. Step 3: Cross multiply
    118,183.05x = 163,086.62 × 64,467.63
  4. Step 4: Simplify right side
    118,183.05x = 10,513,807,553.77
  5. Step 5: Solve for x
    x = 10,513,807,553.77/118,183.05
  6. Step 6: Final answer
    x = 88,962.06

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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.