Home / 128,304.30-192,401.40-44,072.94

Finding the Fourth Proportional to 128,304.30, 192,401.40 and 44,072.94

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Solution

The fourth proportional to 128,304.30, 192,401.40 and 44,072.94 is: 66,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304.30 : 192,401.40 = 44,072.94 : x
  2. Step 2: Convert to fraction form
    128,304.30/192,401.40 = 44,072.94/x
  3. Step 3: Cross multiply
    128,304.30x = 192,401.40 × 44,072.94
  4. Step 4: Simplify right side
    128,304.30x = 8,479,695,358.12
  5. Step 5: Solve for x
    x = 8,479,695,358.12/128,304.30
  6. Step 6: Final answer
    x = 66,090.50

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1.5x scale

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.