Home / 171,988.11-258,083.66-65,461.75

Finding the Fourth Proportional to 171,988.11, 258,083.66 and 65,461.75

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Solution

The fourth proportional to 171,988.11, 258,083.66 and 65,461.75 is: 98,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,988.11 : 258,083.66 = 65,461.75 : x
  2. Step 2: Convert to fraction form
    171,988.11/258,083.66 = 65,461.75/x
  3. Step 3: Cross multiply
    171,988.11x = 258,083.66 × 65,461.75
  4. Step 4: Simplify right side
    171,988.11x = 16,894,607,548.45
  5. Step 5: Solve for x
    x = 16,894,607,548.45/171,988.11
  6. Step 6: Final answer
    x = 98,231.25

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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.