Home / 112,076.30-154,674.56-64,338.87

Finding the Fourth Proportional to 112,076.30, 154,674.56 and 64,338.87

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Solution

The fourth proportional to 112,076.30, 154,674.56 and 64,338.87 is: 88,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,076.30 : 154,674.56 = 64,338.87 : x
  2. Step 2: Convert to fraction form
    112,076.30/154,674.56 = 64,338.87/x
  3. Step 3: Cross multiply
    112,076.30x = 154,674.56 × 64,338.87
  4. Step 4: Simplify right side
    112,076.30x = 9,951,586,568.99
  5. Step 5: Solve for x
    x = 9,951,586,568.99/112,076.30
  6. Step 6: Final answer
    x = 88,792.96

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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.