Home / 128,532.16-192,853.72-49,701.92

Finding the Fourth Proportional to 128,532.16, 192,853.72 and 49,701.92

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Solution

The fourth proportional to 128,532.16, 192,853.72 and 49,701.92 is: 74,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,532.16 : 192,853.72 = 49,701.92 : x
  2. Step 2: Convert to fraction form
    128,532.16/192,853.72 = 49,701.92/x
  3. Step 3: Cross multiply
    128,532.16x = 192,853.72 × 49,701.92
  4. Step 4: Simplify right side
    128,532.16x = 9,585,200,163.14
  5. Step 5: Solve for x
    x = 9,585,200,163.14/128,532.16
  6. Step 6: Final answer
    x = 74,574.33

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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.