Home / 131,730.48-197,596.20-31,890.49

Finding the Fourth Proportional to 131,730.48, 197,596.20 and 31,890.49

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Solution

The fourth proportional to 131,730.48, 197,596.20 and 31,890.49 is: 47,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,730.48 : 197,596.20 = 31,890.49 : x
  2. Step 2: Convert to fraction form
    131,730.48/197,596.20 = 31,890.49/x
  3. Step 3: Cross multiply
    131,730.48x = 197,596.20 × 31,890.49
  4. Step 4: Simplify right side
    131,730.48x = 6,301,439,640.14
  5. Step 5: Solve for x
    x = 6,301,439,640.14/131,730.48
  6. Step 6: Final answer
    x = 47,835.85

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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.