Home / 157,396.94-236,165.12-82,499.28

Finding the Fourth Proportional to 157,396.94, 236,165.12 and 82,499.28

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Solution

The fourth proportional to 157,396.94, 236,165.12 and 82,499.28 is: 123,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,396.94 : 236,165.12 = 82,499.28 : x
  2. Step 2: Convert to fraction form
    157,396.94/236,165.12 = 82,499.28/x
  3. Step 3: Cross multiply
    157,396.94x = 236,165.12 × 82,499.28
  4. Step 4: Simplify right side
    157,396.94x = 19,483,451,372.37
  5. Step 5: Solve for x
    x = 19,483,451,372.37/157,396.94
  6. Step 6: Final answer
    x = 123,785.45

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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.