Home / 160,028.38-240,107.12-71,221.15

Finding the Fourth Proportional to 160,028.38, 240,107.12 and 71,221.15

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Solution

The fourth proportional to 160,028.38, 240,107.12 and 71,221.15 is: 106,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,028.38 : 240,107.12 = 71,221.15 : x
  2. Step 2: Convert to fraction form
    160,028.38/240,107.12 = 71,221.15/x
  3. Step 3: Cross multiply
    160,028.38x = 240,107.12 × 71,221.15
  4. Step 4: Simplify right side
    160,028.38x = 17,100,704,698.35
  5. Step 5: Solve for x
    x = 17,100,704,698.35/160,028.38
  6. Step 6: Final answer
    x = 106,860.45

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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.