Home / 140,554.38-210,914.73-51,869.64

Finding the Fourth Proportional to 140,554.38, 210,914.73 and 51,869.64

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Solution

The fourth proportional to 140,554.38, 210,914.73 and 51,869.64 is: 77,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,554.38 : 210,914.73 = 51,869.64 : x
  2. Step 2: Convert to fraction form
    140,554.38/210,914.73 = 51,869.64/x
  3. Step 3: Cross multiply
    140,554.38x = 210,914.73 × 51,869.64
  4. Step 4: Simplify right side
    140,554.38x = 10,940,071,115.80
  5. Step 5: Solve for x
    x = 10,940,071,115.80/140,554.38
  6. Step 6: Final answer
    x = 77,835.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.