Home / 142,059.33-196,046.58-77,532.09

Finding the Fourth Proportional to 142,059.33, 196,046.58 and 77,532.09

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Solution

The fourth proportional to 142,059.33, 196,046.58 and 77,532.09 is: 106,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,059.33 : 196,046.58 = 77,532.09 : x
  2. Step 2: Convert to fraction form
    142,059.33/196,046.58 = 77,532.09/x
  3. Step 3: Cross multiply
    142,059.33x = 196,046.58 × 77,532.09
  4. Step 4: Simplify right side
    142,059.33x = 15,199,901,084.75
  5. Step 5: Solve for x
    x = 15,199,901,084.75/142,059.33
  6. Step 6: Final answer
    x = 106,996.85

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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.