Home / 451,130.81-676,727.36-131,285.33

Finding the Fourth Proportional to 451,130.81, 676,727.36 and 131,285.33

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Solution

The fourth proportional to 451,130.81, 676,727.36 and 131,285.33 is: 196,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,130.81 : 676,727.36 = 131,285.33 : x
  2. Step 2: Convert to fraction form
    451,130.81/676,727.36 = 131,285.33/x
  3. Step 3: Cross multiply
    451,130.81x = 676,727.36 × 131,285.33
  4. Step 4: Simplify right side
    451,130.81x = 88,844,374,121.20
  5. Step 5: Solve for x
    x = 88,844,374,121.20/451,130.81
  6. Step 6: Final answer
    x = 196,937.06

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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.