Home / 207,968.21-286,996.32-112,474.91

Finding the Fourth Proportional to 207,968.21, 286,996.32 and 112,474.91

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Solution

The fourth proportional to 207,968.21, 286,996.32 and 112,474.91 is: 155,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,968.21 : 286,996.32 = 112,474.91 : x
  2. Step 2: Convert to fraction form
    207,968.21/286,996.32 = 112,474.91/x
  3. Step 3: Cross multiply
    207,968.21x = 286,996.32 × 112,474.91
  4. Step 4: Simplify right side
    207,968.21x = 32,279,885,262.33
  5. Step 5: Solve for x
    x = 32,279,885,262.33/207,968.21
  6. Step 6: Final answer
    x = 155,215.48

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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.