Home / 126,653.46-189,909.98-51,826.06

Finding the Fourth Proportional to 126,653.46, 189,909.98 and 51,826.06

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Solution

The fourth proportional to 126,653.46, 189,909.98 and 51,826.06 is: 77,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,653.46 : 189,909.98 = 51,826.06 : x
  2. Step 2: Convert to fraction form
    126,653.46/189,909.98 = 51,826.06/x
  3. Step 3: Cross multiply
    126,653.46x = 189,909.98 × 51,826.06
  4. Step 4: Simplify right side
    126,653.46x = 9,842,286,018.08
  5. Step 5: Solve for x
    x = 9,842,286,018.08/126,653.46
  6. Step 6: Final answer
    x = 77,710.36

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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.