Home / 155,460.06-231,977.66-138,704.94

Finding the Fourth Proportional to 155,460.06, 231,977.66 and 138,704.94

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Solution

The fourth proportional to 155,460.06, 231,977.66 and 138,704.94 is: 206,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,460.06 : 231,977.66 = 138,704.94 : x
  2. Step 2: Convert to fraction form
    155,460.06/231,977.66 = 138,704.94/x
  3. Step 3: Cross multiply
    155,460.06x = 231,977.66 × 138,704.94
  4. Step 4: Simplify right side
    155,460.06x = 32,176,446,718.12
  5. Step 5: Solve for x
    x = 32,176,446,718.12/155,460.06
  6. Step 6: Final answer
    x = 206,975.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.