Home / 101,020.67-151,624.47-51,135.80

Finding the Fourth Proportional to 101,020.67, 151,624.47 and 51,135.80

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Solution

The fourth proportional to 101,020.67, 151,624.47 and 51,135.80 is: 76,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,020.67 : 151,624.47 = 51,135.80 : x
  2. Step 2: Convert to fraction form
    101,020.67/151,624.47 = 51,135.80/x
  3. Step 3: Cross multiply
    101,020.67x = 151,624.47 × 51,135.80
  4. Step 4: Simplify right side
    101,020.67x = 7,753,437,814.90
  5. Step 5: Solve for x
    x = 7,753,437,814.90/101,020.67
  6. Step 6: Final answer
    x = 76,751.01

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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.