Home / 187,939.12-281,903.22-69,607.84

Finding the Fourth Proportional to 187,939.12, 281,903.22 and 69,607.84

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Solution

The fourth proportional to 187,939.12, 281,903.22 and 69,607.84 is: 104,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,939.12 : 281,903.22 = 69,607.84 : x
  2. Step 2: Convert to fraction form
    187,939.12/281,903.22 = 69,607.84/x
  3. Step 3: Cross multiply
    187,939.12x = 281,903.22 × 69,607.84
  4. Step 4: Simplify right side
    187,939.12x = 19,622,674,233.24
  5. Step 5: Solve for x
    x = 19,622,674,233.24/187,939.12
  6. Step 6: Final answer
    x = 104,409.74

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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.