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Finding the Fourth Proportional to 192,130.60, 288,195.90 and 168,802.60

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Solution

The fourth proportional to 192,130.60, 288,195.90 and 168,802.60 is: 253,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,130.60 : 288,195.90 = 168,802.60 : x
  2. Step 2: Convert to fraction form
    192,130.60/288,195.90 = 168,802.60/x
  3. Step 3: Cross multiply
    192,130.60x = 288,195.90 × 168,802.60
  4. Step 4: Simplify right side
    192,130.60x = 48,648,217,229.34
  5. Step 5: Solve for x
    x = 48,648,217,229.34/192,130.60
  6. Step 6: Final answer
    x = 253,203.90

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1.5x scale

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.