Home / 148,079.25-204,349.50-81,011.25

Finding the Fourth Proportional to 148,079.25, 204,349.50 and 81,011.25

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Solution

The fourth proportional to 148,079.25, 204,349.50 and 81,011.25 is: 111,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,079.25 : 204,349.50 = 81,011.25 : x
  2. Step 2: Convert to fraction form
    148,079.25/204,349.50 = 81,011.25/x
  3. Step 3: Cross multiply
    148,079.25x = 204,349.50 × 81,011.25
  4. Step 4: Simplify right side
    148,079.25x = 16,554,608,431.88
  5. Step 5: Solve for x
    x = 16,554,608,431.88/148,079.25
  6. Step 6: Final answer
    x = 111,795.60

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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.