Home / 251,500.43-377,170.62-82,989.36

Finding the Fourth Proportional to 251,500.43, 377,170.62 and 82,989.36

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Solution

The fourth proportional to 251,500.43, 377,170.62 and 82,989.36 is: 124,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,500.43 : 377,170.62 = 82,989.36 : x
  2. Step 2: Convert to fraction form
    251,500.43/377,170.62 = 82,989.36/x
  3. Step 3: Cross multiply
    251,500.43x = 377,170.62 × 82,989.36
  4. Step 4: Simplify right side
    251,500.43x = 31,301,148,364.60
  5. Step 5: Solve for x
    x = 31,301,148,364.60/251,500.43
  6. Step 6: Final answer
    x = 124,457.64

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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.