Home / 112,122.81-168,229.00-45,568.15

Finding the Fourth Proportional to 112,122.81, 168,229.00 and 45,568.15

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Solution

The fourth proportional to 112,122.81, 168,229.00 and 45,568.15 is: 68,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,122.81 : 168,229.00 = 45,568.15 : x
  2. Step 2: Convert to fraction form
    112,122.81/168,229.00 = 45,568.15/x
  3. Step 3: Cross multiply
    112,122.81x = 168,229.00 × 45,568.15
  4. Step 4: Simplify right side
    112,122.81x = 7,665,883,942.74
  5. Step 5: Solve for x
    x = 7,665,883,942.74/112,122.81
  6. Step 6: Final answer
    x = 68,370.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.