Home / 147,143.45-220,717.20-41,962.43

Finding the Fourth Proportional to 147,143.45, 220,717.20 and 41,962.43

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Solution

The fourth proportional to 147,143.45, 220,717.20 and 41,962.43 is: 62,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,143.45 : 220,717.20 = 41,962.43 : x
  2. Step 2: Convert to fraction form
    147,143.45/220,717.20 = 41,962.43/x
  3. Step 3: Cross multiply
    147,143.45x = 220,717.20 × 41,962.43
  4. Step 4: Simplify right side
    147,143.45x = 9,261,830,054.80
  5. Step 5: Solve for x
    x = 9,261,830,054.80/147,143.45
  6. Step 6: Final answer
    x = 62,944.22

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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.