Home / 131,588.55-197,381.00-31,747.91

Finding the Fourth Proportional to 131,588.55, 197,381.00 and 31,747.91

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Solution

The fourth proportional to 131,588.55, 197,381.00 and 31,747.91 is: 47,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,588.55 : 197,381.00 = 31,747.91 : x
  2. Step 2: Convert to fraction form
    131,588.55/197,381.00 = 31,747.91/x
  3. Step 3: Cross multiply
    131,588.55x = 197,381.00 × 31,747.91
  4. Step 4: Simplify right side
    131,588.55x = 6,266,433,877.77
  5. Step 5: Solve for x
    x = 6,266,433,877.77/131,588.55
  6. Step 6: Final answer
    x = 47,621.42

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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.