Home / 164,991.36-227,688.20-89,539.84

Finding the Fourth Proportional to 164,991.36, 227,688.20 and 89,539.84

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Solution

The fourth proportional to 164,991.36, 227,688.20 and 89,539.84 is: 123,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,991.36 : 227,688.20 = 89,539.84 : x
  2. Step 2: Convert to fraction form
    164,991.36/227,688.20 = 89,539.84/x
  3. Step 3: Cross multiply
    164,991.36x = 227,688.20 × 89,539.84
  4. Step 4: Simplify right side
    164,991.36x = 20,387,164,997.89
  5. Step 5: Solve for x
    x = 20,387,164,997.89/164,991.36
  6. Step 6: Final answer
    x = 123,565.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.