Home / 149,278.72-222,825.92-131,564.64

Finding the Fourth Proportional to 149,278.72, 222,825.92 and 131,564.64

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Solution

The fourth proportional to 149,278.72, 222,825.92 and 131,564.64 is: 196,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,278.72 : 222,825.92 = 131,564.64 : x
  2. Step 2: Convert to fraction form
    149,278.72/222,825.92 = 131,564.64/x
  3. Step 3: Cross multiply
    149,278.72x = 222,825.92 × 131,564.64
  4. Step 4: Simplify right side
    149,278.72x = 29,316,011,947.47
  5. Step 5: Solve for x
    x = 29,316,011,947.47/149,278.72
  6. Step 6: Final answer
    x = 196,384.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.