Home / 126,527.08-174,488.03-81,218.92

Finding the Fourth Proportional to 126,527.08, 174,488.03 and 81,218.92

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Solution

The fourth proportional to 126,527.08, 174,488.03 and 81,218.92 is: 112,005.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,527.08 : 174,488.03 = 81,218.92 : x
  2. Step 2: Convert to fraction form
    126,527.08/174,488.03 = 81,218.92/x
  3. Step 3: Cross multiply
    126,527.08x = 174,488.03 × 81,218.92
  4. Step 4: Simplify right side
    126,527.08x = 14,171,728,943.43
  5. Step 5: Solve for x
    x = 14,171,728,943.43/126,527.08
  6. Step 6: Final answer
    x = 112,005.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.