Home / 151,243.80-226,865.70-51,430.20

Finding the Fourth Proportional to 151,243.80, 226,865.70 and 51,430.20

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Solution

The fourth proportional to 151,243.80, 226,865.70 and 51,430.20 is: 77,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,243.80 : 226,865.70 = 51,430.20 : x
  2. Step 2: Convert to fraction form
    151,243.80/226,865.70 = 51,430.20/x
  3. Step 3: Cross multiply
    151,243.80x = 226,865.70 × 51,430.20
  4. Step 4: Simplify right side
    151,243.80x = 11,667,748,324.14
  5. Step 5: Solve for x
    x = 11,667,748,324.14/151,243.80
  6. Step 6: Final answer
    x = 77,145.30

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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.