Home / 147,982.41-204,215.45-79,999.38

Finding the Fourth Proportional to 147,982.41, 204,215.45 and 79,999.38

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Solution

The fourth proportional to 147,982.41, 204,215.45 and 79,999.38 is: 110,398.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,982.41 : 204,215.45 = 79,999.38 : x
  2. Step 2: Convert to fraction form
    147,982.41/204,215.45 = 79,999.38/x
  3. Step 3: Cross multiply
    147,982.41x = 204,215.45 × 79,999.38
  4. Step 4: Simplify right side
    147,982.41x = 16,337,108,986.42
  5. Step 5: Solve for x
    x = 16,337,108,986.42/147,982.41
  6. Step 6: Final answer
    x = 110,398.99

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1.5x scale

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.