Home / 142,273.62-196,378.50-93,910.84

Finding the Fourth Proportional to 142,273.62, 196,378.50 and 93,910.84

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Solution

The fourth proportional to 142,273.62, 196,378.50 and 93,910.84 is: 129,623.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,273.62 : 196,378.50 = 93,910.84 : x
  2. Step 2: Convert to fraction form
    142,273.62/196,378.50 = 93,910.84/x
  3. Step 3: Cross multiply
    142,273.62x = 196,378.50 × 93,910.84
  4. Step 4: Simplify right side
    142,273.62x = 18,442,069,892.94
  5. Step 5: Solve for x
    x = 18,442,069,892.94/142,273.62
  6. Step 6: Final answer
    x = 129,623.96

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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.