Home / 155,373.30-231,921.19-143,962.16

Finding the Fourth Proportional to 155,373.30, 231,921.19 and 143,962.16

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Solution

The fourth proportional to 155,373.30, 231,921.19 and 143,962.16 is: 214,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,373.30 : 231,921.19 = 143,962.16 : x
  2. Step 2: Convert to fraction form
    155,373.30/231,921.19 = 143,962.16/x
  3. Step 3: Cross multiply
    155,373.30x = 231,921.19 × 143,962.16
  4. Step 4: Simplify right side
    155,373.30x = 33,387,873,942.66
  5. Step 5: Solve for x
    x = 33,387,873,942.66/155,373.30
  6. Step 6: Final answer
    x = 214,888.10

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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.