Home / 118,056.45-162,919.91-64,344.41

Finding the Fourth Proportional to 118,056.45, 162,919.91 and 64,344.41

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Solution

The fourth proportional to 118,056.45, 162,919.91 and 64,344.41 is: 88,796.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,056.45 : 162,919.91 = 64,344.41 : x
  2. Step 2: Convert to fraction form
    118,056.45/162,919.91 = 64,344.41/x
  3. Step 3: Cross multiply
    118,056.45x = 162,919.91 × 64,344.41
  4. Step 4: Simplify right side
    118,056.45x = 10,482,984,349.88
  5. Step 5: Solve for x
    x = 10,482,984,349.88/118,056.45
  6. Step 6: Final answer
    x = 88,796.37

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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.