Home / 134,169.40-201,281.10-39,399.40

Finding the Fourth Proportional to 134,169.40, 201,281.10 and 39,399.40

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Solution

The fourth proportional to 134,169.40, 201,281.10 and 39,399.40 is: 59,107.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,169.40 : 201,281.10 = 39,399.40 : x
  2. Step 2: Convert to fraction form
    134,169.40/201,281.10 = 39,399.40/x
  3. Step 3: Cross multiply
    134,169.40x = 201,281.10 × 39,399.40
  4. Step 4: Simplify right side
    134,169.40x = 7,930,354,571.34
  5. Step 5: Solve for x
    x = 7,930,354,571.34/134,169.40
  6. Step 6: Final answer
    x = 59,107.03

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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.