Home / 112,786.60-155,634.66-67,455.40

Finding the Fourth Proportional to 112,786.60, 155,634.66 and 67,455.40

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Solution

The fourth proportional to 112,786.60, 155,634.66 and 67,455.40 is: 93,081.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,786.60 : 155,634.66 = 67,455.40 : x
  2. Step 2: Convert to fraction form
    112,786.60/155,634.66 = 67,455.40/x
  3. Step 3: Cross multiply
    112,786.60x = 155,634.66 × 67,455.40
  4. Step 4: Simplify right side
    112,786.60x = 10,498,398,244.16
  5. Step 5: Solve for x
    x = 10,498,398,244.16/112,786.60
  6. Step 6: Final answer
    x = 93,081.96

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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.