Home / 134,002.70-201,004.05-84,139.10

Finding the Fourth Proportional to 134,002.70, 201,004.05 and 84,139.10

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Solution

The fourth proportional to 134,002.70, 201,004.05 and 84,139.10 is: 126,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,002.70 : 201,004.05 = 84,139.10 : x
  2. Step 2: Convert to fraction form
    134,002.70/201,004.05 = 84,139.10/x
  3. Step 3: Cross multiply
    134,002.70x = 201,004.05 × 84,139.10
  4. Step 4: Simplify right side
    134,002.70x = 16,912,299,863.36
  5. Step 5: Solve for x
    x = 16,912,299,863.36/134,002.70
  6. Step 6: Final answer
    x = 126,208.65

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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.