Home / 131,827.98-197,740.32-31,989

Finding the Fourth Proportional to 131,827.98, 197,740.32 and 31,989

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Solution

The fourth proportional to 131,827.98, 197,740.32 and 31,989 is: 47,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,827.98 : 197,740.32 = 31,989 : x
  2. Step 2: Convert to fraction form
    131,827.98/197,740.32 = 31,989/x
  3. Step 3: Cross multiply
    131,827.98x = 197,740.32 × 31,989
  4. Step 4: Simplify right side
    131,827.98x = 6,325,515,096.48
  5. Step 5: Solve for x
    x = 6,325,515,096.48/131,827.98
  6. Step 6: Final answer
    x = 47,983.10

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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.