Home / 108,816.20-163,094.70-45,636.20

Finding the Fourth Proportional to 108,816.20, 163,094.70 and 45,636.20

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Solution

The fourth proportional to 108,816.20, 163,094.70 and 45,636.20 is: 68,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,816.20 : 163,094.70 = 45,636.20 : x
  2. Step 2: Convert to fraction form
    108,816.20/163,094.70 = 45,636.20/x
  3. Step 3: Cross multiply
    108,816.20x = 163,094.70 × 45,636.20
  4. Step 4: Simplify right side
    108,816.20x = 7,443,022,348.14
  5. Step 5: Solve for x
    x = 7,443,022,348.14/108,816.20
  6. Step 6: Final answer
    x = 68,399.95

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1.5x scale

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.