Home / 147,940.35-204,157.20-79,957.11

Finding the Fourth Proportional to 147,940.35, 204,157.20 and 79,957.11

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Solution

The fourth proportional to 147,940.35, 204,157.20 and 79,957.11 is: 110,340.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,940.35 : 204,157.20 = 79,957.11 : x
  2. Step 2: Convert to fraction form
    147,940.35/204,157.20 = 79,957.11/x
  3. Step 3: Cross multiply
    147,940.35x = 204,157.20 × 79,957.11
  4. Step 4: Simplify right side
    147,940.35x = 16,323,819,697.69
  5. Step 5: Solve for x
    x = 16,323,819,697.69/147,940.35
  6. Step 6: Final answer
    x = 110,340.55

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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.