Home / 191,150.50-263,788-106,267.56

Finding the Fourth Proportional to 191,150.50, 263,788 and 106,267.56

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Solution

The fourth proportional to 191,150.50, 263,788 and 106,267.56 is: 146,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,150.50 : 263,788 = 106,267.56 : x
  2. Step 2: Convert to fraction form
    191,150.50/263,788 = 106,267.56/x
  3. Step 3: Cross multiply
    191,150.50x = 263,788 × 106,267.56
  4. Step 4: Simplify right side
    191,150.50x = 28,032,107,117.28
  5. Step 5: Solve for x
    x = 28,032,107,117.28/191,150.50
  6. Step 6: Final answer
    x = 146,649.41

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1.5x scale

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.