Home / 136,869.16-205,308.06-43,375.72

Finding the Fourth Proportional to 136,869.16, 205,308.06 and 43,375.72

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Solution

The fourth proportional to 136,869.16, 205,308.06 and 43,375.72 is: 65,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,869.16 : 205,308.06 = 43,375.72 : x
  2. Step 2: Convert to fraction form
    136,869.16/205,308.06 = 43,375.72/x
  3. Step 3: Cross multiply
    136,869.16x = 205,308.06 × 43,375.72
  4. Step 4: Simplify right side
    136,869.16x = 8,905,384,924.30
  5. Step 5: Solve for x
    x = 8,905,384,924.30/136,869.16
  6. Step 6: Final answer
    x = 65,064.95

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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.