Home / 126,579.87-189,889.25-37,823.31

Finding the Fourth Proportional to 126,579.87, 189,889.25 and 37,823.31

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Solution

The fourth proportional to 126,579.87, 189,889.25 and 37,823.31 is: 56,740.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,579.87 : 189,889.25 = 37,823.31 : x
  2. Step 2: Convert to fraction form
    126,579.87/189,889.25 = 37,823.31/x
  3. Step 3: Cross multiply
    126,579.87x = 189,889.25 × 37,823.31
  4. Step 4: Simplify right side
    126,579.87x = 7,182,239,779.30
  5. Step 5: Solve for x
    x = 7,182,239,779.30/126,579.87
  6. Step 6: Final answer
    x = 56,740.77

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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.