Home / 236,106.45-325,817.39-128,674.17

Finding the Fourth Proportional to 236,106.45, 325,817.39 and 128,674.17

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Solution

The fourth proportional to 236,106.45, 325,817.39 and 128,674.17 is: 177,565.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,106.45 : 325,817.39 = 128,674.17 : x
  2. Step 2: Convert to fraction form
    236,106.45/325,817.39 = 128,674.17/x
  3. Step 3: Cross multiply
    236,106.45x = 325,817.39 × 128,674.17
  4. Step 4: Simplify right side
    236,106.45x = 41,924,281,586.45
  5. Step 5: Solve for x
    x = 41,924,281,586.45/236,106.45
  6. Step 6: Final answer
    x = 177,565.17

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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.