Home / 110,008.20-165,077.10-72,676.20

Finding the Fourth Proportional to 110,008.20, 165,077.10 and 72,676.20

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Solution

The fourth proportional to 110,008.20, 165,077.10 and 72,676.20 is: 109,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,008.20 : 165,077.10 = 72,676.20 : x
  2. Step 2: Convert to fraction form
    110,008.20/165,077.10 = 72,676.20/x
  3. Step 3: Cross multiply
    110,008.20x = 165,077.10 × 72,676.20
  4. Step 4: Simplify right side
    110,008.20x = 11,997,176,335.02
  5. Step 5: Solve for x
    x = 11,997,176,335.02/110,008.20
  6. Step 6: Final answer
    x = 109,057.11

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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.