Home / 126,437.12-189,662.98-47,552.03

Finding the Fourth Proportional to 126,437.12, 189,662.98 and 47,552.03

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Solution

The fourth proportional to 126,437.12, 189,662.98 and 47,552.03 is: 71,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,437.12 : 189,662.98 = 47,552.03 : x
  2. Step 2: Convert to fraction form
    126,437.12/189,662.98 = 47,552.03/x
  3. Step 3: Cross multiply
    126,437.12x = 189,662.98 × 47,552.03
  4. Step 4: Simplify right side
    126,437.12x = 9,018,859,714.85
  5. Step 5: Solve for x
    x = 9,018,859,714.85/126,437.12
  6. Step 6: Final answer
    x = 71,330.79

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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.