Home / 108,519.70-162,560.85-73,090.30

Finding the Fourth Proportional to 108,519.70, 162,560.85 and 73,090.30

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Solution

The fourth proportional to 108,519.70, 162,560.85 and 73,090.30 is: 109,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,519.70 : 162,560.85 = 73,090.30 : x
  2. Step 2: Convert to fraction form
    108,519.70/162,560.85 = 73,090.30/x
  3. Step 3: Cross multiply
    108,519.70x = 162,560.85 × 73,090.30
  4. Step 4: Simplify right side
    108,519.70x = 11,881,621,294.76
  5. Step 5: Solve for x
    x = 11,881,621,294.76/108,519.70
  6. Step 6: Final answer
    x = 109,488.15

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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.