Home / 187,560.72-281,136.96-69,132.24

Finding the Fourth Proportional to 187,560.72, 281,136.96 and 69,132.24

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Solution

The fourth proportional to 187,560.72, 281,136.96 and 69,132.24 is: 103,623.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,560.72 : 281,136.96 = 69,132.24 : x
  2. Step 2: Convert to fraction form
    187,560.72/281,136.96 = 69,132.24/x
  3. Step 3: Cross multiply
    187,560.72x = 281,136.96 × 69,132.24
  4. Step 4: Simplify right side
    187,560.72x = 19,435,627,791.59
  5. Step 5: Solve for x
    x = 19,435,627,791.59/187,560.72
  6. Step 6: Final answer
    x = 103,623.12

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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.