Home / 131,593.92-197,303.20-72,457.44

Finding the Fourth Proportional to 131,593.92, 197,303.20 and 72,457.44

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Solution

The fourth proportional to 131,593.92, 197,303.20 and 72,457.44 is: 108,637.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,593.92 : 197,303.20 = 72,457.44 : x
  2. Step 2: Convert to fraction form
    131,593.92/197,303.20 = 72,457.44/x
  3. Step 3: Cross multiply
    131,593.92x = 197,303.20 × 72,457.44
  4. Step 4: Simplify right side
    131,593.92x = 14,296,084,775.81
  5. Step 5: Solve for x
    x = 14,296,084,775.81/131,593.92
  6. Step 6: Final answer
    x = 108,637.88

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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.