Home / 140,528.38-210,795.30-51,736.18

Finding the Fourth Proportional to 140,528.38, 210,795.30 and 51,736.18

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Solution

The fourth proportional to 140,528.38, 210,795.30 and 51,736.18 is: 77,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,528.38 : 210,795.30 = 51,736.18 : x
  2. Step 2: Convert to fraction form
    140,528.38/210,795.30 = 51,736.18/x
  3. Step 3: Cross multiply
    140,528.38x = 210,795.30 × 51,736.18
  4. Step 4: Simplify right side
    140,528.38x = 10,905,743,583.95
  5. Step 5: Solve for x
    x = 10,905,743,583.95/140,528.38
  6. Step 6: Final answer
    x = 77,605.28

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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.