Home / 73,207.20-109,940.40-56,607.60

Finding the Fourth Proportional to 73,207.20, 109,940.40 and 56,607.60

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Solution

The fourth proportional to 73,207.20, 109,940.40 and 56,607.60 is: 85,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,207.20 : 109,940.40 = 56,607.60 : x
  2. Step 2: Convert to fraction form
    73,207.20/109,940.40 = 56,607.60/x
  3. Step 3: Cross multiply
    73,207.20x = 109,940.40 × 56,607.60
  4. Step 4: Simplify right side
    73,207.20x = 6,223,462,187.04
  5. Step 5: Solve for x
    x = 6,223,462,187.04/73,207.20
  6. Step 6: Final answer
    x = 85,011.61

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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.