Home / 235,009.38-324,278.73-134,387.94

Finding the Fourth Proportional to 235,009.38, 324,278.73 and 134,387.94

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Solution

The fourth proportional to 235,009.38, 324,278.73 and 134,387.94 is: 185,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,009.38 : 324,278.73 = 134,387.94 : x
  2. Step 2: Convert to fraction form
    235,009.38/324,278.73 = 134,387.94/x
  3. Step 3: Cross multiply
    235,009.38x = 324,278.73 × 134,387.94
  4. Step 4: Simplify right side
    235,009.38x = 43,579,150,510.52
  5. Step 5: Solve for x
    x = 43,579,150,510.52/235,009.38
  6. Step 6: Final answer
    x = 185,435.79

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1.5x scale

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.