Home / 131,828.01-197,741.71-31,988.12

Finding the Fourth Proportional to 131,828.01, 197,741.71 and 31,988.12

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Solution

The fourth proportional to 131,828.01, 197,741.71 and 31,988.12 is: 47,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,828.01 : 197,741.71 = 31,988.12 : x
  2. Step 2: Convert to fraction form
    131,828.01/197,741.71 = 31,988.12/x
  3. Step 3: Cross multiply
    131,828.01x = 197,741.71 × 31,988.12
  4. Step 4: Simplify right side
    131,828.01x = 6,325,384,419.83
  5. Step 5: Solve for x
    x = 6,325,384,419.83/131,828.01
  6. Step 6: Final answer
    x = 47,982.10

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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.