Home / 106,319.50-159,546.00-43,139.87

Finding the Fourth Proportional to 106,319.50, 159,546.00 and 43,139.87

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Solution

The fourth proportional to 106,319.50, 159,546.00 and 43,139.87 is: 64,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,319.50 : 159,546.00 = 43,139.87 : x
  2. Step 2: Convert to fraction form
    106,319.50/159,546.00 = 43,139.87/x
  3. Step 3: Cross multiply
    106,319.50x = 159,546.00 × 43,139.87
  4. Step 4: Simplify right side
    106,319.50x = 6,882,793,483.32
  5. Step 5: Solve for x
    x = 6,882,793,483.32/106,319.50
  6. Step 6: Final answer
    x = 64,736.89

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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.