Home / 221,657.37-305,887.51-126,164.07

Finding the Fourth Proportional to 221,657.37, 305,887.51 and 126,164.07

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Solution

The fourth proportional to 221,657.37, 305,887.51 and 126,164.07 is: 174,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,657.37 : 305,887.51 = 126,164.07 : x
  2. Step 2: Convert to fraction form
    221,657.37/305,887.51 = 126,164.07/x
  3. Step 3: Cross multiply
    221,657.37x = 305,887.51 × 126,164.07
  4. Step 4: Simplify right side
    221,657.37x = 38,592,011,694.33
  5. Step 5: Solve for x
    x = 38,592,011,694.33/221,657.37
  6. Step 6: Final answer
    x = 174,106.61

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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.