Home / 187,485.23-281,249.69-65,868.39

Finding the Fourth Proportional to 187,485.23, 281,249.69 and 65,868.39

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Solution

The fourth proportional to 187,485.23, 281,249.69 and 65,868.39 is: 98,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,485.23 : 281,249.69 = 65,868.39 : x
  2. Step 2: Convert to fraction form
    187,485.23/281,249.69 = 65,868.39/x
  3. Step 3: Cross multiply
    187,485.23x = 281,249.69 × 65,868.39
  4. Step 4: Simplify right side
    187,485.23x = 18,525,463,938.96
  5. Step 5: Solve for x
    x = 18,525,463,938.96/187,485.23
  6. Step 6: Final answer
    x = 98,810.26

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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.