Home / 136,426.40-204,639.60-114,775.10

Finding the Fourth Proportional to 136,426.40, 204,639.60 and 114,775.10

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Solution

The fourth proportional to 136,426.40, 204,639.60 and 114,775.10 is: 172,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,426.40 : 204,639.60 = 114,775.10 : x
  2. Step 2: Convert to fraction form
    136,426.40/204,639.60 = 114,775.10/x
  3. Step 3: Cross multiply
    136,426.40x = 204,639.60 × 114,775.10
  4. Step 4: Simplify right side
    136,426.40x = 23,487,530,553.96
  5. Step 5: Solve for x
    x = 23,487,530,553.96/136,426.40
  6. Step 6: Final answer
    x = 172,162.65

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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.