Home / 157,364.12-236,115.96-82,466.47

Finding the Fourth Proportional to 157,364.12, 236,115.96 and 82,466.47

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Solution

The fourth proportional to 157,364.12, 236,115.96 and 82,466.47 is: 123,736.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,364.12 : 236,115.96 = 82,466.47 : x
  2. Step 2: Convert to fraction form
    157,364.12/236,115.96 = 82,466.47/x
  3. Step 3: Cross multiply
    157,364.12x = 236,115.96 × 82,466.47
  4. Step 4: Simplify right side
    157,364.12x = 19,471,649,185.52
  5. Step 5: Solve for x
    x = 19,471,649,185.52/157,364.12
  6. Step 6: Final answer
    x = 123,736.27

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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.