Home / 243,102.18-335,504.30-135,682.21

Finding the Fourth Proportional to 243,102.18, 335,504.30 and 135,682.21

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Solution

The fourth proportional to 243,102.18, 335,504.30 and 135,682.21 is: 187,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,102.18 : 335,504.30 = 135,682.21 : x
  2. Step 2: Convert to fraction form
    243,102.18/335,504.30 = 135,682.21/x
  3. Step 3: Cross multiply
    243,102.18x = 335,504.30 × 135,682.21
  4. Step 4: Simplify right side
    243,102.18x = 45,521,963,371.33
  5. Step 5: Solve for x
    x = 45,521,963,371.33/243,102.18
  6. Step 6: Final answer
    x = 187,254.44

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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.