Home / 112,580.65-155,361.33-64,832.97

Finding the Fourth Proportional to 112,580.65, 155,361.33 and 64,832.97

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Solution

The fourth proportional to 112,580.65, 155,361.33 and 64,832.97 is: 89,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,580.65 : 155,361.33 = 64,832.97 : x
  2. Step 2: Convert to fraction form
    112,580.65/155,361.33 = 64,832.97/x
  3. Step 3: Cross multiply
    112,580.65x = 155,361.33 × 64,832.97
  4. Step 4: Simplify right side
    112,580.65x = 10,072,536,447.05
  5. Step 5: Solve for x
    x = 10,072,536,447.05/112,580.65
  6. Step 6: Final answer
    x = 89,469.52

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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.