Home / 136,098.76-204,189.65-69,585.61

Finding the Fourth Proportional to 136,098.76, 204,189.65 and 69,585.61

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Solution

The fourth proportional to 136,098.76, 204,189.65 and 69,585.61 is: 104,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,098.76 : 204,189.65 = 69,585.61 : x
  2. Step 2: Convert to fraction form
    136,098.76/204,189.65 = 69,585.61/x
  3. Step 3: Cross multiply
    136,098.76x = 204,189.65 × 69,585.61
  4. Step 4: Simplify right side
    136,098.76x = 14,208,661,350.94
  5. Step 5: Solve for x
    x = 14,208,661,350.94/136,098.76
  6. Step 6: Final answer
    x = 104,399.64

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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.