Home / 100,180.53-150,032.25-57,971.66

Finding the Fourth Proportional to 100,180.53, 150,032.25 and 57,971.66

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Solution

The fourth proportional to 100,180.53, 150,032.25 and 57,971.66 is: 86,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,180.53 : 150,032.25 = 57,971.66 : x
  2. Step 2: Convert to fraction form
    100,180.53/150,032.25 = 57,971.66/x
  3. Step 3: Cross multiply
    100,180.53x = 150,032.25 × 57,971.66
  4. Step 4: Simplify right side
    100,180.53x = 8,697,617,835.87
  5. Step 5: Solve for x
    x = 8,697,617,835.87/100,180.53
  6. Step 6: Final answer
    x = 86,819.44

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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.