Home / 165,114.28-227,859.78-89,664.04

Finding the Fourth Proportional to 165,114.28, 227,859.78 and 89,664.04

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Solution

The fourth proportional to 165,114.28, 227,859.78 and 89,664.04 is: 123,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,114.28 : 227,859.78 = 89,664.04 : x
  2. Step 2: Convert to fraction form
    165,114.28/227,859.78 = 89,664.04/x
  3. Step 3: Cross multiply
    165,114.28x = 227,859.78 × 89,664.04
  4. Step 4: Simplify right side
    165,114.28x = 20,430,828,428.31
  5. Step 5: Solve for x
    x = 20,430,828,428.31/165,114.28
  6. Step 6: Final answer
    x = 123,737.50

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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.