Home / 221,319.60-331,997.69-93,272.93

Finding the Fourth Proportional to 221,319.60, 331,997.69 and 93,272.93

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Solution

The fourth proportional to 221,319.60, 331,997.69 and 93,272.93 is: 139,917.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,319.60 : 331,997.69 = 93,272.93 : x
  2. Step 2: Convert to fraction form
    221,319.60/331,997.69 = 93,272.93/x
  3. Step 3: Cross multiply
    221,319.60x = 331,997.69 × 93,272.93
  4. Step 4: Simplify right side
    221,319.60x = 30,966,395,173.18
  5. Step 5: Solve for x
    x = 30,966,395,173.18/221,319.60
  6. Step 6: Final answer
    x = 139,917.09

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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.