Home / 235,128.12-324,476.73-127,698.18

Finding the Fourth Proportional to 235,128.12, 324,476.73 and 127,698.18

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Solution

The fourth proportional to 235,128.12, 324,476.73 and 127,698.18 is: 176,223.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,128.12 : 324,476.73 = 127,698.18 : x
  2. Step 2: Convert to fraction form
    235,128.12/324,476.73 = 127,698.18/x
  3. Step 3: Cross multiply
    235,128.12x = 324,476.73 × 127,698.18
  4. Step 4: Simplify right side
    235,128.12x = 41,435,087,873.35
  5. Step 5: Solve for x
    x = 41,435,087,873.35/235,128.12
  6. Step 6: Final answer
    x = 176,223.45

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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.