Home / 160,131.53-220,986.16-87,538.41

Finding the Fourth Proportional to 160,131.53, 220,986.16 and 87,538.41

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Solution

The fourth proportional to 160,131.53, 220,986.16 and 87,538.41 is: 120,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,131.53 : 220,986.16 = 87,538.41 : x
  2. Step 2: Convert to fraction form
    160,131.53/220,986.16 = 87,538.41/x
  3. Step 3: Cross multiply
    160,131.53x = 220,986.16 × 87,538.41
  4. Step 4: Simplify right side
    160,131.53x = 19,344,776,859.56
  5. Step 5: Solve for x
    x = 19,344,776,859.56/160,131.53
  6. Step 6: Final answer
    x = 120,805.54

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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.