Home / 118,538.43-163,583.03-64,823.49

Finding the Fourth Proportional to 118,538.43, 163,583.03 and 64,823.49

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Solution

The fourth proportional to 118,538.43, 163,583.03 and 64,823.49 is: 89,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,538.43 : 163,583.03 = 64,823.49 : x
  2. Step 2: Convert to fraction form
    118,538.43/163,583.03 = 64,823.49/x
  3. Step 3: Cross multiply
    118,538.43x = 163,583.03 × 64,823.49
  4. Step 4: Simplify right side
    118,538.43x = 10,604,022,585.26
  5. Step 5: Solve for x
    x = 10,604,022,585.26/118,538.43
  6. Step 6: Final answer
    x = 89,456.41

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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.