Home / 131,301.27-197,005.37-61,137.45

Finding the Fourth Proportional to 131,301.27, 197,005.37 and 61,137.45

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Solution

The fourth proportional to 131,301.27, 197,005.37 and 61,137.45 is: 91,731.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,301.27 : 197,005.37 = 61,137.45 : x
  2. Step 2: Convert to fraction form
    131,301.27/197,005.37 = 61,137.45/x
  3. Step 3: Cross multiply
    131,301.27x = 197,005.37 × 61,137.45
  4. Step 4: Simplify right side
    131,301.27x = 12,044,405,652.42
  5. Step 5: Solve for x
    x = 12,044,405,652.42/131,301.27
  6. Step 6: Final answer
    x = 91,731.07

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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.