Home / 108,145.33-149,240.87-60,400.48

Finding the Fourth Proportional to 108,145.33, 149,240.87 and 60,400.48

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Solution

The fourth proportional to 108,145.33, 149,240.87 and 60,400.48 is: 83,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,145.33 : 149,240.87 = 60,400.48 : x
  2. Step 2: Convert to fraction form
    108,145.33/149,240.87 = 60,400.48/x
  3. Step 3: Cross multiply
    108,145.33x = 149,240.87 × 60,400.48
  4. Step 4: Simplify right side
    108,145.33x = 9,014,220,183.62
  5. Step 5: Solve for x
    x = 9,014,220,183.62/108,145.33
  6. Step 6: Final answer
    x = 83,352.84

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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.