Home / 202,607.12-279,583.92-111,962.25

Finding the Fourth Proportional to 202,607.12, 279,583.92 and 111,962.25

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Solution

The fourth proportional to 202,607.12, 279,583.92 and 111,962.25 is: 154,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,607.12 : 279,583.92 = 111,962.25 : x
  2. Step 2: Convert to fraction form
    202,607.12/279,583.92 = 111,962.25/x
  3. Step 3: Cross multiply
    202,607.12x = 279,583.92 × 111,962.25
  4. Step 4: Simplify right side
    202,607.12x = 31,302,844,747.02
  5. Step 5: Solve for x
    x = 31,302,844,747.02/202,607.12
  6. Step 6: Final answer
    x = 154,500.22

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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.