Home / 223,789.80-308,856.26-125,689.17

Finding the Fourth Proportional to 223,789.80, 308,856.26 and 125,689.17

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Solution

The fourth proportional to 223,789.80, 308,856.26 and 125,689.17 is: 173,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,789.80 : 308,856.26 = 125,689.17 : x
  2. Step 2: Convert to fraction form
    223,789.80/308,856.26 = 125,689.17/x
  3. Step 3: Cross multiply
    223,789.80x = 308,856.26 × 125,689.17
  4. Step 4: Simplify right side
    223,789.80x = 38,819,886,340.26
  5. Step 5: Solve for x
    x = 38,819,886,340.26/223,789.80
  6. Step 6: Final answer
    x = 173,465.84

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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.