Home / 147,217.53-203,160.23-80,149.53

Finding the Fourth Proportional to 147,217.53, 203,160.23 and 80,149.53

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Solution

The fourth proportional to 147,217.53, 203,160.23 and 80,149.53 is: 110,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,217.53 : 203,160.23 = 80,149.53 : x
  2. Step 2: Convert to fraction form
    147,217.53/203,160.23 = 80,149.53/x
  3. Step 3: Cross multiply
    147,217.53x = 203,160.23 × 80,149.53
  4. Step 4: Simplify right side
    147,217.53x = 16,283,196,548.44
  5. Step 5: Solve for x
    x = 16,283,196,548.44/147,217.53
  6. Step 6: Final answer
    x = 110,606.37

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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.