Home / 116,619.04-160,934.95-65,632.78

Finding the Fourth Proportional to 116,619.04, 160,934.95 and 65,632.78

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Solution

The fourth proportional to 116,619.04, 160,934.95 and 65,632.78 is: 90,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,619.04 : 160,934.95 = 65,632.78 : x
  2. Step 2: Convert to fraction form
    116,619.04/160,934.95 = 65,632.78/x
  3. Step 3: Cross multiply
    116,619.04x = 160,934.95 × 65,632.78
  4. Step 4: Simplify right side
    116,619.04x = 10,562,608,450.87
  5. Step 5: Solve for x
    x = 10,562,608,450.87/116,619.04
  6. Step 6: Final answer
    x = 90,573.62

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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.