Home / 126,444.48-189,676.44-47,556.96

Finding the Fourth Proportional to 126,444.48, 189,676.44 and 47,556.96

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Solution

The fourth proportional to 126,444.48, 189,676.44 and 47,556.96 is: 71,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,444.48 : 189,676.44 = 47,556.96 : x
  2. Step 2: Convert to fraction form
    126,444.48/189,676.44 = 47,556.96/x
  3. Step 3: Cross multiply
    126,444.48x = 189,676.44 × 47,556.96
  4. Step 4: Simplify right side
    126,444.48x = 9,020,434,870.02
  5. Step 5: Solve for x
    x = 9,020,434,870.02/126,444.48
  6. Step 6: Final answer
    x = 71,339.10

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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.