Home / 108,176.72-150,047.66-105,299.60

Finding the Fourth Proportional to 108,176.72, 150,047.66 and 105,299.60

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Solution

The fourth proportional to 108,176.72, 150,047.66 and 105,299.60 is: 146,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,176.72 : 150,047.66 = 105,299.60 : x
  2. Step 2: Convert to fraction form
    108,176.72/150,047.66 = 105,299.60/x
  3. Step 3: Cross multiply
    108,176.72x = 150,047.66 × 105,299.60
  4. Step 4: Simplify right side
    108,176.72x = 15,799,958,578.94
  5. Step 5: Solve for x
    x = 15,799,958,578.94/108,176.72
  6. Step 6: Final answer
    x = 146,056.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.