Home / 72,207.12-108,303.50-22,273.68

Finding the Fourth Proportional to 72,207.12, 108,303.50 and 22,273.68

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Solution

The fourth proportional to 72,207.12, 108,303.50 and 22,273.68 is: 33,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,207.12 : 108,303.50 = 22,273.68 : x
  2. Step 2: Convert to fraction form
    72,207.12/108,303.50 = 22,273.68/x
  3. Step 3: Cross multiply
    72,207.12x = 108,303.50 × 22,273.68
  4. Step 4: Simplify right side
    72,207.12x = 2,412,317,501.88
  5. Step 5: Solve for x
    x = 2,412,317,501.88/72,207.12
  6. Step 6: Final answer
    x = 33,408.31

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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.