Home / 154,450.28-213,031.48-141,744.50

Finding the Fourth Proportional to 154,450.28, 213,031.48 and 141,744.50

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Solution

The fourth proportional to 154,450.28, 213,031.48 and 141,744.50 is: 195,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,450.28 : 213,031.48 = 141,744.50 : x
  2. Step 2: Convert to fraction form
    154,450.28/213,031.48 = 141,744.50/x
  3. Step 3: Cross multiply
    154,450.28x = 213,031.48 × 141,744.50
  4. Step 4: Simplify right side
    154,450.28x = 30,196,040,616.86
  5. Step 5: Solve for x
    x = 30,196,040,616.86/154,450.28
  6. Step 6: Final answer
    x = 195,506.54

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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.