Home / 112,800.07-155,664.09-67,479.96

Finding the Fourth Proportional to 112,800.07, 155,664.09 and 67,479.96

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Solution

The fourth proportional to 112,800.07, 155,664.09 and 67,479.96 is: 93,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,800.07 : 155,664.09 = 67,479.96 : x
  2. Step 2: Convert to fraction form
    112,800.07/155,664.09 = 67,479.96/x
  3. Step 3: Cross multiply
    112,800.07x = 155,664.09 × 67,479.96
  4. Step 4: Simplify right side
    112,800.07x = 10,504,206,566.64
  5. Step 5: Solve for x
    x = 10,504,206,566.64/112,800.07
  6. Step 6: Final answer
    x = 93,122.34

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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.