Home / 256,122.05-353,568.02-148,671.41

Finding the Fourth Proportional to 256,122.05, 353,568.02 and 148,671.41

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Solution

The fourth proportional to 256,122.05, 353,568.02 and 148,671.41 is: 205,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,122.05 : 353,568.02 = 148,671.41 : x
  2. Step 2: Convert to fraction form
    256,122.05/353,568.02 = 148,671.41/x
  3. Step 3: Cross multiply
    256,122.05x = 353,568.02 × 148,671.41
  4. Step 4: Simplify right side
    256,122.05x = 52,565,453,553.11
  5. Step 5: Solve for x
    x = 52,565,453,553.11/256,122.05
  6. Step 6: Final answer
    x = 205,235.96

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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.