Home / 117,004.20-161,465.16-63,289.04

Finding the Fourth Proportional to 117,004.20, 161,465.16 and 63,289.04

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Solution

The fourth proportional to 117,004.20, 161,465.16 and 63,289.04 is: 87,338.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,004.20 : 161,465.16 = 63,289.04 : x
  2. Step 2: Convert to fraction form
    117,004.20/161,465.16 = 63,289.04/x
  3. Step 3: Cross multiply
    117,004.20x = 161,465.16 × 63,289.04
  4. Step 4: Simplify right side
    117,004.20x = 10,218,974,969.85
  5. Step 5: Solve for x
    x = 10,218,974,969.85/117,004.20
  6. Step 6: Final answer
    x = 87,338.53

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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.