Home / 122,287.92-168,759.18-67,839.72

Finding the Fourth Proportional to 122,287.92, 168,759.18 and 67,839.72

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Solution

The fourth proportional to 122,287.92, 168,759.18 and 67,839.72 is: 93,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,287.92 : 168,759.18 = 67,839.72 : x
  2. Step 2: Convert to fraction form
    122,287.92/168,759.18 = 67,839.72/x
  3. Step 3: Cross multiply
    122,287.92x = 168,759.18 × 67,839.72
  4. Step 4: Simplify right side
    122,287.92x = 11,448,575,518.63
  5. Step 5: Solve for x
    x = 11,448,575,518.63/122,287.92
  6. Step 6: Final answer
    x = 93,619.84

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1.5x scale

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.