Home / 109,476.46-151,087.98-68,647.09

Finding the Fourth Proportional to 109,476.46, 151,087.98 and 68,647.09

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Solution

The fourth proportional to 109,476.46, 151,087.98 and 68,647.09 is: 94,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,476.46 : 151,087.98 = 68,647.09 : x
  2. Step 2: Convert to fraction form
    109,476.46/151,087.98 = 68,647.09/x
  3. Step 3: Cross multiply
    109,476.46x = 151,087.98 × 68,647.09
  4. Step 4: Simplify right side
    109,476.46x = 10,371,750,160.98
  5. Step 5: Solve for x
    x = 10,371,750,160.98/109,476.46
  6. Step 6: Final answer
    x = 94,739.55

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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.