Home / 187,955.34-281,944.40-75,635.12

Finding the Fourth Proportional to 187,955.34, 281,944.40 and 75,635.12

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Solution

The fourth proportional to 187,955.34, 281,944.40 and 75,635.12 is: 113,457.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,955.34 : 281,944.40 = 75,635.12 : x
  2. Step 2: Convert to fraction form
    187,955.34/281,944.40 = 75,635.12/x
  3. Step 3: Cross multiply
    187,955.34x = 281,944.40 × 75,635.12
  4. Step 4: Simplify right side
    187,955.34x = 21,324,897,268.08
  5. Step 5: Solve for x
    x = 21,324,897,268.08/187,955.34
  6. Step 6: Final answer
    x = 113,457.26

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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.