Home / 117,998.21-162,836.90-64,283.10

Finding the Fourth Proportional to 117,998.21, 162,836.90 and 64,283.10

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Solution

The fourth proportional to 117,998.21, 162,836.90 and 64,283.10 is: 88,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,998.21 : 162,836.90 = 64,283.10 : x
  2. Step 2: Convert to fraction form
    117,998.21/162,836.90 = 64,283.10/x
  3. Step 3: Cross multiply
    117,998.21x = 162,836.90 × 64,283.10
  4. Step 4: Simplify right side
    117,998.21x = 10,467,660,404.97
  5. Step 5: Solve for x
    x = 10,467,660,404.97/117,998.21
  6. Step 6: Final answer
    x = 88,710.33

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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.