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Finding the Fourth Proportional to 70,180.97, 105,273.38 and 23,432.17

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Solution

The fourth proportional to 70,180.97, 105,273.38 and 23,432.17 is: 35,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,180.97 : 105,273.38 = 23,432.17 : x
  2. Step 2: Convert to fraction form
    70,180.97/105,273.38 = 23,432.17/x
  3. Step 3: Cross multiply
    70,180.97x = 105,273.38 × 23,432.17
  4. Step 4: Simplify right side
    70,180.97x = 2,466,783,736.63
  5. Step 5: Solve for x
    x = 2,466,783,736.63/70,180.97
  6. Step 6: Final answer
    x = 35,148.90

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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.