Home / 112,800.57-155,664.78-67,480.46

Finding the Fourth Proportional to 112,800.57, 155,664.78 and 67,480.46

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Solution

The fourth proportional to 112,800.57, 155,664.78 and 67,480.46 is: 93,123.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,800.57 : 155,664.78 = 67,480.46 : x
  2. Step 2: Convert to fraction form
    112,800.57/155,664.78 = 67,480.46/x
  3. Step 3: Cross multiply
    112,800.57x = 155,664.78 × 67,480.46
  4. Step 4: Simplify right side
    112,800.57x = 10,504,330,181.87
  5. Step 5: Solve for x
    x = 10,504,330,181.87/112,800.57
  6. Step 6: Final answer
    x = 93,123.02

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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.