Home / 135,904.02-187,517.32-82,187.92

Finding the Fourth Proportional to 135,904.02, 187,517.32 and 82,187.92

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Solution

The fourth proportional to 135,904.02, 187,517.32 and 82,187.92 is: 113,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,904.02 : 187,517.32 = 82,187.92 : x
  2. Step 2: Convert to fraction form
    135,904.02/187,517.32 = 82,187.92/x
  3. Step 3: Cross multiply
    135,904.02x = 187,517.32 × 82,187.92
  4. Step 4: Simplify right side
    135,904.02x = 15,411,658,494.77
  5. Step 5: Solve for x
    x = 15,411,658,494.77/135,904.02
  6. Step 6: Final answer
    x = 113,401.05

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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.