Home / 187,887.40-281,761.13-75,529.80

Finding the Fourth Proportional to 187,887.40, 281,761.13 and 75,529.80

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Solution

The fourth proportional to 187,887.40, 281,761.13 and 75,529.80 is: 113,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,887.40 : 281,761.13 = 75,529.80 : x
  2. Step 2: Convert to fraction form
    187,887.40/281,761.13 = 75,529.80/x
  3. Step 3: Cross multiply
    187,887.40x = 281,761.13 × 75,529.80
  4. Step 4: Simplify right side
    187,887.40x = 21,281,361,985.50
  5. Step 5: Solve for x
    x = 21,281,361,985.50/187,887.40
  6. Step 6: Final answer
    x = 113,266.57

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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.