Home / 159,830.01-220,556.82-99,398.95

Finding the Fourth Proportional to 159,830.01, 220,556.82 and 99,398.95

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Solution

The fourth proportional to 159,830.01, 220,556.82 and 99,398.95 is: 137,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,830.01 : 220,556.82 = 99,398.95 : x
  2. Step 2: Convert to fraction form
    159,830.01/220,556.82 = 99,398.95/x
  3. Step 3: Cross multiply
    159,830.01x = 220,556.82 × 99,398.95
  4. Step 4: Simplify right side
    159,830.01x = 21,923,116,144.69
  5. Step 5: Solve for x
    x = 21,923,116,144.69/159,830.01
  6. Step 6: Final answer
    x = 137,165.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.