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Finding the Fourth Proportional to 133,980.12, 200,829.72 and 45,203.04

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Solution

The fourth proportional to 133,980.12, 200,829.72 and 45,203.04 is: 67,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,980.12 : 200,829.72 = 45,203.04 : x
  2. Step 2: Convert to fraction form
    133,980.12/200,829.72 = 45,203.04/x
  3. Step 3: Cross multiply
    133,980.12x = 200,829.72 × 45,203.04
  4. Step 4: Simplify right side
    133,980.12x = 9,078,113,866.35
  5. Step 5: Solve for x
    x = 9,078,113,866.35/133,980.12
  6. Step 6: Final answer
    x = 67,757.17

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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.