Home / 148,548.13-204,996.75-84,885.77

Finding the Fourth Proportional to 148,548.13, 204,996.75 and 84,885.77

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Solution

The fourth proportional to 148,548.13, 204,996.75 and 84,885.77 is: 117,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,548.13 : 204,996.75 = 84,885.77 : x
  2. Step 2: Convert to fraction form
    148,548.13/204,996.75 = 84,885.77/x
  3. Step 3: Cross multiply
    148,548.13x = 204,996.75 × 84,885.77
  4. Step 4: Simplify right side
    148,548.13x = 17,401,306,971.25
  5. Step 5: Solve for x
    x = 17,401,306,971.25/148,548.13
  6. Step 6: Final answer
    x = 117,142.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.