Home / 97,781.40-146,556.90-51,010.20

Finding the Fourth Proportional to 97,781.40, 146,556.90 and 51,010.20

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Solution

The fourth proportional to 97,781.40, 146,556.90 and 51,010.20 is: 76,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,781.40 : 146,556.90 = 51,010.20 : x
  2. Step 2: Convert to fraction form
    97,781.40/146,556.90 = 51,010.20/x
  3. Step 3: Cross multiply
    97,781.40x = 146,556.90 × 51,010.20
  4. Step 4: Simplify right side
    97,781.40x = 7,475,896,780.38
  5. Step 5: Solve for x
    x = 7,475,896,780.38/97,781.40
  6. Step 6: Final answer
    x = 76,455.20

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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.