Home / 170,640.40-235,470.78-94,162.54

Finding the Fourth Proportional to 170,640.40, 235,470.78 and 94,162.54

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Solution

The fourth proportional to 170,640.40, 235,470.78 and 94,162.54 is: 129,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,640.40 : 235,470.78 = 94,162.54 : x
  2. Step 2: Convert to fraction form
    170,640.40/235,470.78 = 94,162.54/x
  3. Step 3: Cross multiply
    170,640.40x = 235,470.78 × 94,162.54
  4. Step 4: Simplify right side
    170,640.40x = 22,172,526,740.58
  5. Step 5: Solve for x
    x = 22,172,526,740.58/170,640.40
  6. Step 6: Final answer
    x = 129,937.15

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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.