Home / 94,936.10-131,119.36-64,668.83

Finding the Fourth Proportional to 94,936.10, 131,119.36 and 64,668.83

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Solution

The fourth proportional to 94,936.10, 131,119.36 and 64,668.83 is: 89,316.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,936.10 : 131,119.36 = 64,668.83 : x
  2. Step 2: Convert to fraction form
    94,936.10/131,119.36 = 64,668.83/x
  3. Step 3: Cross multiply
    94,936.10x = 131,119.36 × 64,668.83
  4. Step 4: Simplify right side
    94,936.10x = 8,479,334,784.28
  5. Step 5: Solve for x
    x = 8,479,334,784.28/94,936.10
  6. Step 6: Final answer
    x = 89,316.24

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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.