Home / 266,836.68-368,231.60-145,981.44

Finding the Fourth Proportional to 266,836.68, 368,231.60 and 145,981.44

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Solution

The fourth proportional to 266,836.68, 368,231.60 and 145,981.44 is: 201,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,836.68 : 368,231.60 = 145,981.44 : x
  2. Step 2: Convert to fraction form
    266,836.68/368,231.60 = 145,981.44/x
  3. Step 3: Cross multiply
    266,836.68x = 368,231.60 × 145,981.44
  4. Step 4: Simplify right side
    266,836.68x = 53,754,979,221.50
  5. Step 5: Solve for x
    x = 53,754,979,221.50/266,836.68
  6. Step 6: Final answer
    x = 201,452.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.