Home / 133,224.56-183,849.94-71,970.76

Finding the Fourth Proportional to 133,224.56, 183,849.94 and 71,970.76

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Solution

The fourth proportional to 133,224.56, 183,849.94 and 71,970.76 is: 99,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,224.56 : 183,849.94 = 71,970.76 : x
  2. Step 2: Convert to fraction form
    133,224.56/183,849.94 = 71,970.76/x
  3. Step 3: Cross multiply
    133,224.56x = 183,849.94 × 71,970.76
  4. Step 4: Simplify right side
    133,224.56x = 13,231,819,907.75
  5. Step 5: Solve for x
    x = 13,231,819,907.75/133,224.56
  6. Step 6: Final answer
    x = 99,319.67

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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.