Home / 130,886.80-196,340.14-50,890.39

Finding the Fourth Proportional to 130,886.80, 196,340.14 and 50,890.39

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Solution

The fourth proportional to 130,886.80, 196,340.14 and 50,890.39 is: 76,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,886.80 : 196,340.14 = 50,890.39 : x
  2. Step 2: Convert to fraction form
    130,886.80/196,340.14 = 50,890.39/x
  3. Step 3: Cross multiply
    130,886.80x = 196,340.14 × 50,890.39
  4. Step 4: Simplify right side
    130,886.80x = 9,991,826,297.25
  5. Step 5: Solve for x
    x = 9,991,826,297.25/130,886.80
  6. Step 6: Final answer
    x = 76,339.45

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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.