Home / 128,175.57-192,359.48-48,292.34

Finding the Fourth Proportional to 128,175.57, 192,359.48 and 48,292.34

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Solution

The fourth proportional to 128,175.57, 192,359.48 and 48,292.34 is: 72,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,175.57 : 192,359.48 = 48,292.34 : x
  2. Step 2: Convert to fraction form
    128,175.57/192,359.48 = 48,292.34/x
  3. Step 3: Cross multiply
    128,175.57x = 192,359.48 × 48,292.34
  4. Step 4: Simplify right side
    128,175.57x = 9,289,488,207.12
  5. Step 5: Solve for x
    x = 9,289,488,207.12/128,175.57
  6. Step 6: Final answer
    x = 72,474.72

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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.