Home / 165,139.85-227,894.16-89,688.35

Finding the Fourth Proportional to 165,139.85, 227,894.16 and 89,688.35

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Solution

The fourth proportional to 165,139.85, 227,894.16 and 89,688.35 is: 123,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,139.85 : 227,894.16 = 89,688.35 : x
  2. Step 2: Convert to fraction form
    165,139.85/227,894.16 = 89,688.35/x
  3. Step 3: Cross multiply
    165,139.85x = 227,894.16 × 89,688.35
  4. Step 4: Simplify right side
    165,139.85x = 20,439,450,045.57
  5. Step 5: Solve for x
    x = 20,439,450,045.57/165,139.85
  6. Step 6: Final answer
    x = 123,770.55

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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.