Home / 145,934.78-201,390.48-82,273.64

Finding the Fourth Proportional to 145,934.78, 201,390.48 and 82,273.64

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Solution

The fourth proportional to 145,934.78, 201,390.48 and 82,273.64 is: 113,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,934.78 : 201,390.48 = 82,273.64 : x
  2. Step 2: Convert to fraction form
    145,934.78/201,390.48 = 82,273.64/x
  3. Step 3: Cross multiply
    145,934.78x = 201,390.48 × 82,273.64
  4. Step 4: Simplify right side
    145,934.78x = 16,569,126,843.99
  5. Step 5: Solve for x
    x = 16,569,126,843.99/145,934.78
  6. Step 6: Final answer
    x = 113,537.89

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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.