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Finding the Fourth Proportional to 133,346.80, 200,020.20 and 102,242.80

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Solution

The fourth proportional to 133,346.80, 200,020.20 and 102,242.80 is: 153,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,346.80 : 200,020.20 = 102,242.80 : x
  2. Step 2: Convert to fraction form
    133,346.80/200,020.20 = 102,242.80/x
  3. Step 3: Cross multiply
    133,346.80x = 200,020.20 × 102,242.80
  4. Step 4: Simplify right side
    133,346.80x = 20,450,625,304.56
  5. Step 5: Solve for x
    x = 20,450,625,304.56/133,346.80
  6. Step 6: Final answer
    x = 153,364.20

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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.