Home / 136,733.60-204,927.60-121,872.80

Finding the Fourth Proportional to 136,733.60, 204,927.60 and 121,872.80

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Solution

The fourth proportional to 136,733.60, 204,927.60 and 121,872.80 is: 182,655.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,733.60 : 204,927.60 = 121,872.80 : x
  2. Step 2: Convert to fraction form
    136,733.60/204,927.60 = 121,872.80/x
  3. Step 3: Cross multiply
    136,733.60x = 204,927.60 × 121,872.80
  4. Step 4: Simplify right side
    136,733.60x = 24,975,100,409.28
  5. Step 5: Solve for x
    x = 24,975,100,409.28/136,733.60
  6. Step 6: Final answer
    x = 182,655.18

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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.