Home / 123,743.73-170,766.81-67,155.12

Finding the Fourth Proportional to 123,743.73, 170,766.81 and 67,155.12

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Solution

The fourth proportional to 123,743.73, 170,766.81 and 67,155.12 is: 92,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,743.73 : 170,766.81 = 67,155.12 : x
  2. Step 2: Convert to fraction form
    123,743.73/170,766.81 = 67,155.12/x
  3. Step 3: Cross multiply
    123,743.73x = 170,766.81 × 67,155.12
  4. Step 4: Simplify right side
    123,743.73x = 11,467,865,617.57
  5. Step 5: Solve for x
    x = 11,467,865,617.57/123,743.73
  6. Step 6: Final answer
    x = 92,674.32

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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.