Home / 136,037.70-204,056.55-128,820.60

Finding the Fourth Proportional to 136,037.70, 204,056.55 and 128,820.60

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Solution

The fourth proportional to 136,037.70, 204,056.55 and 128,820.60 is: 193,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,037.70 : 204,056.55 = 128,820.60 : x
  2. Step 2: Convert to fraction form
    136,037.70/204,056.55 = 128,820.60/x
  3. Step 3: Cross multiply
    136,037.70x = 204,056.55 × 128,820.60
  4. Step 4: Simplify right side
    136,037.70x = 26,286,687,204.93
  5. Step 5: Solve for x
    x = 26,286,687,204.93/136,037.70
  6. Step 6: Final answer
    x = 193,230.90

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1.5x scale

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.