Home / 108,002.05-162,003.08-103,081.30

Finding the Fourth Proportional to 108,002.05, 162,003.08 and 103,081.30

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Solution

The fourth proportional to 108,002.05, 162,003.08 and 103,081.30 is: 154,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,002.05 : 162,003.08 = 103,081.30 : x
  2. Step 2: Convert to fraction form
    108,002.05/162,003.08 = 103,081.30/x
  3. Step 3: Cross multiply
    108,002.05x = 162,003.08 × 103,081.30
  4. Step 4: Simplify right side
    108,002.05x = 16,699,488,090.40
  5. Step 5: Solve for x
    x = 16,699,488,090.40/108,002.05
  6. Step 6: Final answer
    x = 154,621.95

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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.