Home / 165,140.85-227,895.54-89,689.35

Finding the Fourth Proportional to 165,140.85, 227,895.54 and 89,689.35

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Solution

The fourth proportional to 165,140.85, 227,895.54 and 89,689.35 is: 123,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,140.85 : 227,895.54 = 89,689.35 : x
  2. Step 2: Convert to fraction form
    165,140.85/227,895.54 = 89,689.35/x
  3. Step 3: Cross multiply
    165,140.85x = 227,895.54 × 89,689.35
  4. Step 4: Simplify right side
    165,140.85x = 20,439,802,850.50
  5. Step 5: Solve for x
    x = 20,439,802,850.50/165,140.85
  6. Step 6: Final answer
    x = 123,771.94

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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.