Home / 74,132.70-111,199.05-71,508.30

Finding the Fourth Proportional to 74,132.70, 111,199.05 and 71,508.30

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Solution

The fourth proportional to 74,132.70, 111,199.05 and 71,508.30 is: 107,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,132.70 : 111,199.05 = 71,508.30 : x
  2. Step 2: Convert to fraction form
    74,132.70/111,199.05 = 71,508.30/x
  3. Step 3: Cross multiply
    74,132.70x = 111,199.05 × 71,508.30
  4. Step 4: Simplify right side
    74,132.70x = 7,951,655,027.12
  5. Step 5: Solve for x
    x = 7,951,655,027.12/74,132.70
  6. Step 6: Final answer
    x = 107,262.45

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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.