Home / 243,401.36-335,871.23-141,425.73

Finding the Fourth Proportional to 243,401.36, 335,871.23 and 141,425.73

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Solution

The fourth proportional to 243,401.36, 335,871.23 and 141,425.73 is: 195,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,401.36 : 335,871.23 = 141,425.73 : x
  2. Step 2: Convert to fraction form
    243,401.36/335,871.23 = 141,425.73/x
  3. Step 3: Cross multiply
    243,401.36x = 335,871.23 × 141,425.73
  4. Step 4: Simplify right side
    243,401.36x = 47,500,833,181.62
  5. Step 5: Solve for x
    x = 47,500,833,181.62/243,401.36
  6. Step 6: Final answer
    x = 195,154.35

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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.