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Finding the Fourth Proportional to 133,223.56, 183,848.56 and 71,969.76

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Solution

The fourth proportional to 133,223.56, 183,848.56 and 71,969.76 is: 99,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,223.56 : 183,848.56 = 71,969.76 : x
  2. Step 2: Convert to fraction form
    133,223.56/183,848.56 = 71,969.76/x
  3. Step 3: Cross multiply
    133,223.56x = 183,848.56 × 71,969.76
  4. Step 4: Simplify right side
    133,223.56x = 13,231,536,559.62
  5. Step 5: Solve for x
    x = 13,231,536,559.62/133,223.56
  6. Step 6: Final answer
    x = 99,318.29

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1.5x scale

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.