Home / 96,930.16-133,720.74-64,633.64

Finding the Fourth Proportional to 96,930.16, 133,720.74 and 64,633.64

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Solution

The fourth proportional to 96,930.16, 133,720.74 and 64,633.64 is: 89,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,930.16 : 133,720.74 = 64,633.64 : x
  2. Step 2: Convert to fraction form
    96,930.16/133,720.74 = 64,633.64/x
  3. Step 3: Cross multiply
    96,930.16x = 133,720.74 × 64,633.64
  4. Step 4: Simplify right side
    96,930.16x = 8,642,858,169.69
  5. Step 5: Solve for x
    x = 8,642,858,169.69/96,930.16
  6. Step 6: Final answer
    x = 89,165.83

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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.