Home / 108,376.69-162,594.26-45,175.81

Finding the Fourth Proportional to 108,376.69, 162,594.26 and 45,175.81

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Solution

The fourth proportional to 108,376.69, 162,594.26 and 45,175.81 is: 67,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,376.69 : 162,594.26 = 45,175.81 : x
  2. Step 2: Convert to fraction form
    108,376.69/162,594.26 = 45,175.81/x
  3. Step 3: Cross multiply
    108,376.69x = 162,594.26 × 45,175.81
  4. Step 4: Simplify right side
    108,376.69x = 7,345,327,283.91
  5. Step 5: Solve for x
    x = 7,345,327,283.91/108,376.69
  6. Step 6: Final answer
    x = 67,775.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.