Home / 123,333.60-170,158.82-80,293.44

Finding the Fourth Proportional to 123,333.60, 170,158.82 and 80,293.44

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Solution

The fourth proportional to 123,333.60, 170,158.82 and 80,293.44 is: 110,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,333.60 : 170,158.82 = 80,293.44 : x
  2. Step 2: Convert to fraction form
    123,333.60/170,158.82 = 80,293.44/x
  3. Step 3: Cross multiply
    123,333.60x = 170,158.82 × 80,293.44
  4. Step 4: Simplify right side
    123,333.60x = 13,662,637,004.14
  5. Step 5: Solve for x
    x = 13,662,637,004.14/123,333.60
  6. Step 6: Final answer
    x = 110,777.90

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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.