Home / 111,724.25-154,166.90-63,986.90

Finding the Fourth Proportional to 111,724.25, 154,166.90 and 63,986.90

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Solution

The fourth proportional to 111,724.25, 154,166.90 and 63,986.90 is: 88,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,724.25 : 154,166.90 = 63,986.90 : x
  2. Step 2: Convert to fraction form
    111,724.25/154,166.90 = 63,986.90/x
  3. Step 3: Cross multiply
    111,724.25x = 154,166.90 × 63,986.90
  4. Step 4: Simplify right side
    111,724.25x = 9,864,660,922.84
  5. Step 5: Solve for x
    x = 9,864,660,922.84/111,724.25
  6. Step 6: Final answer
    x = 88,294.72

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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.