Home / 126,458.64-189,687.69-37,709.91

Finding the Fourth Proportional to 126,458.64, 189,687.69 and 37,709.91

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Solution

The fourth proportional to 126,458.64, 189,687.69 and 37,709.91 is: 56,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,458.64 : 189,687.69 = 37,709.91 : x
  2. Step 2: Convert to fraction form
    126,458.64/189,687.69 = 37,709.91/x
  3. Step 3: Cross multiply
    126,458.64x = 189,687.69 × 37,709.91
  4. Step 4: Simplify right side
    126,458.64x = 7,153,105,718.01
  5. Step 5: Solve for x
    x = 7,153,105,718.01/126,458.64
  6. Step 6: Final answer
    x = 56,564.78

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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.