Home / 187,559.78-281,280.90-54,449.24

Finding the Fourth Proportional to 187,559.78, 281,280.90 and 54,449.24

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Solution

The fourth proportional to 187,559.78, 281,280.90 and 54,449.24 is: 81,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,559.78 : 281,280.90 = 54,449.24 : x
  2. Step 2: Convert to fraction form
    187,559.78/281,280.90 = 54,449.24/x
  3. Step 3: Cross multiply
    187,559.78x = 281,280.90 × 54,449.24
  4. Step 4: Simplify right side
    187,559.78x = 15,315,531,231.52
  5. Step 5: Solve for x
    x = 15,315,531,231.52/187,559.78
  6. Step 6: Final answer
    x = 81,656.80

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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.