Home / 191,136.76-263,778.12-106,252

Finding the Fourth Proportional to 191,136.76, 263,778.12 and 106,252

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Solution

The fourth proportional to 191,136.76, 263,778.12 and 106,252 is: 146,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,136.76 : 263,778.12 = 106,252 : x
  2. Step 2: Convert to fraction form
    191,136.76/263,778.12 = 106,252/x
  3. Step 3: Cross multiply
    191,136.76x = 263,778.12 × 106,252
  4. Step 4: Simplify right side
    191,136.76x = 28,026,952,806.24
  5. Step 5: Solve for x
    x = 28,026,952,806.24/191,136.76
  6. Step 6: Final answer
    x = 146,632.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.