Home / 148,102.88-204,382.96-90,742.30

Finding the Fourth Proportional to 148,102.88, 204,382.96 and 90,742.30

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Solution

The fourth proportional to 148,102.88, 204,382.96 and 90,742.30 is: 125,224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,102.88 : 204,382.96 = 90,742.30 : x
  2. Step 2: Convert to fraction form
    148,102.88/204,382.96 = 90,742.30/x
  3. Step 3: Cross multiply
    148,102.88x = 204,382.96 × 90,742.30
  4. Step 4: Simplify right side
    148,102.88x = 18,546,179,871.21
  5. Step 5: Solve for x
    x = 18,546,179,871.21/148,102.88
  6. Step 6: Final answer
    x = 125,224.98

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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.