Home / 126,452.10-189,687.93-37,698.78

Finding the Fourth Proportional to 126,452.10, 189,687.93 and 37,698.78

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Solution

The fourth proportional to 126,452.10, 189,687.93 and 37,698.78 is: 56,551.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,452.10 : 189,687.93 = 37,698.78 : x
  2. Step 2: Convert to fraction form
    126,452.10/189,687.93 = 37,698.78/x
  3. Step 3: Cross multiply
    126,452.10x = 189,687.93 × 37,698.78
  4. Step 4: Simplify right side
    126,452.10x = 7,151,003,541.73
  5. Step 5: Solve for x
    x = 7,151,003,541.73/126,452.10
  6. Step 6: Final answer
    x = 56,551.09

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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.