Home / 108,622.20-162,933.30-98,999.40

Finding the Fourth Proportional to 108,622.20, 162,933.30 and 98,999.40

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Solution

The fourth proportional to 108,622.20, 162,933.30 and 98,999.40 is: 148,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,622.20 : 162,933.30 = 98,999.40 : x
  2. Step 2: Convert to fraction form
    108,622.20/162,933.30 = 98,999.40/x
  3. Step 3: Cross multiply
    108,622.20x = 162,933.30 × 98,999.40
  4. Step 4: Simplify right side
    108,622.20x = 16,130,298,940.02
  5. Step 5: Solve for x
    x = 16,130,298,940.02/108,622.20
  6. Step 6: Final answer
    x = 148,499.10

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Similar ratio
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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.