Home / 127,749.20-191,623.80-48,822.80

Finding the Fourth Proportional to 127,749.20, 191,623.80 and 48,822.80

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Solution

The fourth proportional to 127,749.20, 191,623.80 and 48,822.80 is: 73,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,749.20 : 191,623.80 = 48,822.80 : x
  2. Step 2: Convert to fraction form
    127,749.20/191,623.80 = 48,822.80/x
  3. Step 3: Cross multiply
    127,749.20x = 191,623.80 × 48,822.80
  4. Step 4: Simplify right side
    127,749.20x = 9,355,610,462.64
  5. Step 5: Solve for x
    x = 9,355,610,462.64/127,749.20
  6. Step 6: Final answer
    x = 73,234.20

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1.5x scale

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.