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Finding the Fourth Proportional to 134,006.80, 201,010.20 and 126,749.20

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Solution

The fourth proportional to 134,006.80, 201,010.20 and 126,749.20 is: 190,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,006.80 : 201,010.20 = 126,749.20 : x
  2. Step 2: Convert to fraction form
    134,006.80/201,010.20 = 126,749.20/x
  3. Step 3: Cross multiply
    134,006.80x = 201,010.20 × 126,749.20
  4. Step 4: Simplify right side
    134,006.80x = 25,477,882,041.84
  5. Step 5: Solve for x
    x = 25,477,882,041.84/134,006.80
  6. Step 6: Final answer
    x = 190,123.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.