Home / 207,736.79-286,676.96-112,243.73

Finding the Fourth Proportional to 207,736.79, 286,676.96 and 112,243.73

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Solution

The fourth proportional to 207,736.79, 286,676.96 and 112,243.73 is: 154,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,736.79 : 286,676.96 = 112,243.73 : x
  2. Step 2: Convert to fraction form
    207,736.79/286,676.96 = 112,243.73/x
  3. Step 3: Cross multiply
    207,736.79x = 286,676.96 × 112,243.73
  4. Step 4: Simplify right side
    207,736.79x = 32,177,689,300.86
  5. Step 5: Solve for x
    x = 32,177,689,300.86/207,736.79
  6. Step 6: Final answer
    x = 154,896.44

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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.