Home / 126,235.62-189,346.01-47,343.24

Finding the Fourth Proportional to 126,235.62, 189,346.01 and 47,343.24

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Solution

The fourth proportional to 126,235.62, 189,346.01 and 47,343.24 is: 71,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,235.62 : 189,346.01 = 47,343.24 : x
  2. Step 2: Convert to fraction form
    126,235.62/189,346.01 = 47,343.24/x
  3. Step 3: Cross multiply
    126,235.62x = 189,346.01 × 47,343.24
  4. Step 4: Simplify right side
    126,235.62x = 8,964,253,357.76
  5. Step 5: Solve for x
    x = 8,964,253,357.76/126,235.62
  6. Step 6: Final answer
    x = 71,012.08

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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.