Home / 108,663.40-163,003.20-38,533.60

Finding the Fourth Proportional to 108,663.40, 163,003.20 and 38,533.60

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Solution

The fourth proportional to 108,663.40, 163,003.20 and 38,533.60 is: 57,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,663.40 : 163,003.20 = 38,533.60 : x
  2. Step 2: Convert to fraction form
    108,663.40/163,003.20 = 38,533.60/x
  3. Step 3: Cross multiply
    108,663.40x = 163,003.20 × 38,533.60
  4. Step 4: Simplify right side
    108,663.40x = 6,281,100,107.52
  5. Step 5: Solve for x
    x = 6,281,100,107.52/108,663.40
  6. Step 6: Final answer
    x = 57,803.27

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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.