Home / 136,358.21-188,179.88-75,925.02

Finding the Fourth Proportional to 136,358.21, 188,179.88 and 75,925.02

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Solution

The fourth proportional to 136,358.21, 188,179.88 and 75,925.02 is: 104,779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,358.21 : 188,179.88 = 75,925.02 : x
  2. Step 2: Convert to fraction form
    136,358.21/188,179.88 = 75,925.02/x
  3. Step 3: Cross multiply
    136,358.21x = 188,179.88 × 75,925.02
  4. Step 4: Simplify right side
    136,358.21x = 14,287,560,772.97
  5. Step 5: Solve for x
    x = 14,287,560,772.97/136,358.21
  6. Step 6: Final answer
    x = 104,779.62

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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.