Home / 108,039.62-149,102.16-60,302.28

Finding the Fourth Proportional to 108,039.62, 149,102.16 and 60,302.28

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Solution

The fourth proportional to 108,039.62, 149,102.16 and 60,302.28 is: 83,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,039.62 : 149,102.16 = 60,302.28 : x
  2. Step 2: Convert to fraction form
    108,039.62/149,102.16 = 60,302.28/x
  3. Step 3: Cross multiply
    108,039.62x = 149,102.16 × 60,302.28
  4. Step 4: Simplify right side
    108,039.62x = 8,991,200,200.92
  5. Step 5: Solve for x
    x = 8,991,200,200.92/108,039.62
  6. Step 6: Final answer
    x = 83,221.32

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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.