Home / 152,944.20-211,057.12-84,965.45

Finding the Fourth Proportional to 152,944.20, 211,057.12 and 84,965.45

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Solution

The fourth proportional to 152,944.20, 211,057.12 and 84,965.45 is: 117,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,944.20 : 211,057.12 = 84,965.45 : x
  2. Step 2: Convert to fraction form
    152,944.20/211,057.12 = 84,965.45/x
  3. Step 3: Cross multiply
    152,944.20x = 211,057.12 × 84,965.45
  4. Step 4: Simplify right side
    152,944.20x = 17,932,562,227.43
  5. Step 5: Solve for x
    x = 17,932,562,227.43/152,944.20
  6. Step 6: Final answer
    x = 117,249.05

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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.