Home / 108,202.32-149,151.24-106,102.80

Finding the Fourth Proportional to 108,202.32, 149,151.24 and 106,102.80

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Solution

The fourth proportional to 108,202.32, 149,151.24 and 106,102.80 is: 146,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,202.32 : 149,151.24 = 106,102.80 : x
  2. Step 2: Convert to fraction form
    108,202.32/149,151.24 = 106,102.80/x
  3. Step 3: Cross multiply
    108,202.32x = 149,151.24 × 106,102.80
  4. Step 4: Simplify right side
    108,202.32x = 15,825,364,187.47
  5. Step 5: Solve for x
    x = 15,825,364,187.47/108,202.32
  6. Step 6: Final answer
    x = 146,257.16

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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.