Home / 192,170.55-288,137.53-132,271.72

Finding the Fourth Proportional to 192,170.55, 288,137.53 and 132,271.72

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Solution

The fourth proportional to 192,170.55, 288,137.53 and 132,271.72 is: 198,326.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,170.55 : 288,137.53 = 132,271.72 : x
  2. Step 2: Convert to fraction form
    192,170.55/288,137.53 = 132,271.72/x
  3. Step 3: Cross multiply
    192,170.55x = 288,137.53 × 132,271.72
  4. Step 4: Simplify right side
    192,170.55x = 38,112,446,689.65
  5. Step 5: Solve for x
    x = 38,112,446,689.65/192,170.55
  6. Step 6: Final answer
    x = 198,326.16

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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.