Home / 102,862.28-154,305.75-36,288.68

Finding the Fourth Proportional to 102,862.28, 154,305.75 and 36,288.68

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Solution

The fourth proportional to 102,862.28, 154,305.75 and 36,288.68 is: 54,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,862.28 : 154,305.75 = 36,288.68 : x
  2. Step 2: Convert to fraction form
    102,862.28/154,305.75 = 36,288.68/x
  3. Step 3: Cross multiply
    102,862.28x = 154,305.75 × 36,288.68
  4. Step 4: Simplify right side
    102,862.28x = 5,599,551,212.38
  5. Step 5: Solve for x
    x = 5,599,551,212.38/102,862.28
  6. Step 6: Final answer
    x = 54,437.37

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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.