Home / 118,005.46-162,846.89-64,290.34

Finding the Fourth Proportional to 118,005.46, 162,846.89 and 64,290.34

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Solution

The fourth proportional to 118,005.46, 162,846.89 and 64,290.34 is: 88,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,005.46 : 162,846.89 = 64,290.34 : x
  2. Step 2: Convert to fraction form
    118,005.46/162,846.89 = 64,290.34/x
  3. Step 3: Cross multiply
    118,005.46x = 162,846.89 × 64,290.34
  4. Step 4: Simplify right side
    118,005.46x = 10,469,481,926.04
  5. Step 5: Solve for x
    x = 10,469,481,926.04/118,005.46
  6. Step 6: Final answer
    x = 88,720.32

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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.