Home / 108,989.39-163,331.82-52,814.59

Finding the Fourth Proportional to 108,989.39, 163,331.82 and 52,814.59

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Solution

The fourth proportional to 108,989.39, 163,331.82 and 52,814.59 is: 79,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,989.39 : 163,331.82 = 52,814.59 : x
  2. Step 2: Convert to fraction form
    108,989.39/163,331.82 = 52,814.59/x
  3. Step 3: Cross multiply
    108,989.39x = 163,331.82 × 52,814.59
  4. Step 4: Simplify right side
    108,989.39x = 8,626,303,107.25
  5. Step 5: Solve for x
    x = 8,626,303,107.25/108,989.39
  6. Step 6: Final answer
    x = 79,148.10

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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.