Home / 150,109.44-207,143.04-83,040

Finding the Fourth Proportional to 150,109.44, 207,143.04 and 83,040

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Solution

The fourth proportional to 150,109.44, 207,143.04 and 83,040 is: 114,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,109.44 : 207,143.04 = 83,040 : x
  2. Step 2: Convert to fraction form
    150,109.44/207,143.04 = 83,040/x
  3. Step 3: Cross multiply
    150,109.44x = 207,143.04 × 83,040
  4. Step 4: Simplify right side
    150,109.44x = 17,201,158,041.60
  5. Step 5: Solve for x
    x = 17,201,158,041.60/150,109.44
  6. Step 6: Final answer
    x = 114,590.78

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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.