Home / 187,486.21-281,171.37-54,376.25

Finding the Fourth Proportional to 187,486.21, 281,171.37 and 54,376.25

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Solution

The fourth proportional to 187,486.21, 281,171.37 and 54,376.25 is: 81,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,486.21 : 281,171.37 = 54,376.25 : x
  2. Step 2: Convert to fraction form
    187,486.21/281,171.37 = 54,376.25/x
  3. Step 3: Cross multiply
    187,486.21x = 281,171.37 × 54,376.25
  4. Step 4: Simplify right side
    187,486.21x = 15,289,044,707.96
  5. Step 5: Solve for x
    x = 15,289,044,707.96/187,486.21
  6. Step 6: Final answer
    x = 81,547.57

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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.