Home / 128,091.42-192,136.73-34,597.17

Finding the Fourth Proportional to 128,091.42, 192,136.73 and 34,597.17

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Solution

The fourth proportional to 128,091.42, 192,136.73 and 34,597.17 is: 51,895.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,091.42 : 192,136.73 = 34,597.17 : x
  2. Step 2: Convert to fraction form
    128,091.42/192,136.73 = 34,597.17/x
  3. Step 3: Cross multiply
    128,091.42x = 192,136.73 × 34,597.17
  4. Step 4: Simplify right side
    128,091.42x = 6,647,386,938.07
  5. Step 5: Solve for x
    x = 6,647,386,938.07/128,091.42
  6. Step 6: Final answer
    x = 51,895.65

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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.