Home / 148,682.34-205,245.56-91,331.01

Finding the Fourth Proportional to 148,682.34, 205,245.56 and 91,331.01

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Solution

The fourth proportional to 148,682.34, 205,245.56 and 91,331.01 is: 126,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,682.34 : 205,245.56 = 91,331.01 : x
  2. Step 2: Convert to fraction form
    148,682.34/205,245.56 = 91,331.01/x
  3. Step 3: Cross multiply
    148,682.34x = 205,245.56 × 91,331.01
  4. Step 4: Simplify right side
    148,682.34x = 18,745,284,521.14
  5. Step 5: Solve for x
    x = 18,745,284,521.14/148,682.34
  6. Step 6: Final answer
    x = 126,076.07

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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.