Home / 136,926.20-205,043.70-89,924.60

Finding the Fourth Proportional to 136,926.20, 205,043.70 and 89,924.60

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Solution

The fourth proportional to 136,926.20, 205,043.70 and 89,924.60 is: 134,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,926.20 : 205,043.70 = 89,924.60 : x
  2. Step 2: Convert to fraction form
    136,926.20/205,043.70 = 89,924.60/x
  3. Step 3: Cross multiply
    136,926.20x = 205,043.70 × 89,924.60
  4. Step 4: Simplify right side
    136,926.20x = 18,438,472,705.02
  5. Step 5: Solve for x
    x = 18,438,472,705.02/136,926.20
  6. Step 6: Final answer
    x = 134,659.93

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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.